MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a callback-phone (TOAD) lure and a password-protected-archive lure. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 9
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/aaaac9733b43172369e9847723b6d466/bakogojozezijaxigek.pdf In PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6fa6c9f6f---xudifepojovadumu.pdfIn PDF document text
- https://daulte.ch/ckfinder/userfiles/files/lejasozij.pdfIn PDF document text
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7808a9d0f---dinineg.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/oh15lec7q8k32aqn0el2ktoe91/35653615928.pdfIn PDF document text
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/kujutod.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/20506841286.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/7747196d1e5793f5bc4affd0cd799d0c/sisidetafatug.pdfIn PDF document text
- http://angarakshaksecurity.com/userfiles/file/40378489973.pdfIn PDF document text
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160717f73ab58f---nutewe.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/71a92f04e4663f6049613fb66298c9c9/9125838711.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab995145cc8---73297975915.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607000a501449---vegubufudiwopanetalolepul.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080dc8d7896a---riwimis.pdfIn PDF document text
- https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/dc58923116624add8ab8a26e4f6dfb2b/5527841469.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=7th+std+tamil+konar+guide+free+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_007_off000224b0.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x224B0 | 19336 bytes |
SHA-256: 673c182c259b2230f41932bb765e256ed0fc8539873051fc3068411103475dd3 |
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font_00_sfnt_off0001ac16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AC16 | 10000 bytes |
SHA-256: 6632ce35a387c35085005e0a4e6ed0b43f813aff3079371e14bfa5335cd749b9 |
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font_01_sfnt_off0001ccb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CCB1 | 5460 bytes |
SHA-256: fcf7927126b6a30e0f545e38987f1028be973819aafb1c8df5026639238c191c |
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font_02_sfnt_off0001df2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DF2B | 6576 bytes |
SHA-256: b12486dabeab348f1cf03fe2503987045c973e44be78c646abd5bfa8b4b734be |
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font_03_sfnt_off0001f313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F313 | 15800 bytes |
SHA-256: 95b49eb6343d90b617a16f79f8b388f4dbf5bc1032866c6ad7c7fb711559da03 |
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