MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The 'SE_CALLBACK_LURE' heuristic suggests the document is designed to trick the user into calling a phone number, likely for a scam. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing campaign, potentially using compromised websites for hosting malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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 http://ankurgroups.com/userfiles/file/55430200762.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/aafee1a5c2c2a52740f37cfcd7dd23f8/50413769561.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16079db3a8178c---womodamulerurefosilet.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/414ec4810d887fa5617a42f21fc98bec/lozutatugobejara.pdf
- http://bmsorganica.com/userfiles/file/36061982690.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac114d323c4---32399696025.pdf
- http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/worojif.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160f1284aa013a---85053183614.pdf
- http://romanakladatelstvi.cz/userfiles/file/89311630144.pdf
- https://girilawfirm.com/content_files/files/norifiwopukola.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/401f7a64c0c6a39913648cecb958cc45/tunevedukiketa.pdf
- http://startmatbaa.com/userfiles/file/renikulopidi.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16085cc339552b---79287754284.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a62c6b167b---limikaberemeb.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e36ddac3d---1913608032.pdf
- http://miwon.com.vn/app/webroot/uploads/files/sigufubupe.pdf
- http://cisseo.net/userfiles/files/31745993274.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/5b1b097ce269e25d1cbe8eff79dd54b7/kodenodawuniserisi.pdf
- http://elesi.eu/fichiers/files/52629329841.pdf
- https://southafricapools.com/contents//files/57656951746.pdf
- http://giadinhlaurenso.org/upload/files/18166476581.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/7h09siida8iafphu2kmcm0ar69/raxuwixapazimufanepib.pdf
- http://www.mamafoundation.cz/ckfinder/userfiles/files/mepoxakumotuxitipufadob.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+bypass+samsung+j5+google+account+without+pc
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0000e700.bin5a99cb72ff468043561e057487f21dd58ee5982c80139527a6927e6b0b209360 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xE700 | 21268 bytes |
font_01_sfnt_off00010c37.bin7a911ba3ca017d649a323683ca393eb5aea62f2a5f9a0d61c54c03be648a0bf1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C37 | 11416 bytes |
font_02_sfnt_off000126d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D4 | 16792 bytes |
font_03_sfnt_off00013ee6.bin129c76bcc77de8922d45652d4f8a1f9a33668a989022b530db1d50915981203d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EE6 | 18128 bytes |
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