MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. 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 0.9976
Heuristics 7
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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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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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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 http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bcdfe0ca3f8---79474162888.pdf In PDF document text
- http://enricobarraco.com/files/jonubepawozipoketudaze.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c99d49bf7bf---90948839162.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083ed7ad3075---teduxinef.pdfIn PDF document text
- https://www.helmmsp.ca/wp-content/plugins/super-forms/uploads/php/files/7574aab22e00b306894cfa02f5f8ae26/texafujimepakigiwuxapor.pdfIn PDF document text
- https://laptoptranganh.com/data/dulieu/files/vijolak.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b301707e9---84558968025.pdfIn PDF document text
- https://aslimitada.com/userfiles/file/taruwila.pdfIn PDF document text
- http://kapalishakti.com/ckfinder/userfiles/files/gudekemelasikivojodigosej.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/wuzimebew.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/10905948822.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/puvibu.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/81c2fbbd23a3c8b9904f04eef9833450/4750891358.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8b515bd6---goreguxemopupolexodazapu.pdfIn PDF document text
- http://fairway.cc/images/blog//file/pujekixeki.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/b874678a7d8d2b6fb357c55580014148/makujidezekoderikiki.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160865a2c91d51---buvavosiwotegorofadeki.pdfIn PDF document text
- https://www.crqp.ch/ck/ckfinder/userfiles/files/96176640283.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b38facdee---23166348500.pdfIn PDF document text
- https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16096b33c2b05a---tofivi.pdfIn PDF document text
- https://juhaszautovill.hu/userfiles/file/tikebadodejuwurofoj.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9838a639d6---31815800823.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079eac13f60f---sodaduxirujewenat.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=mission+impossible+4+full+movie+in+hindi+download+moviesflixPDF 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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B86 | 11128 bytes |
SHA-256: 61cf05fb3c0590b962c5f2a67d301e7cd0356b6e9a9082b21890280d8afc09f9 |
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font_02_sfnt_off0001252a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252A | 16880 bytes |
SHA-256: e4245099f6fcc994a5b8da6e406a9fb835f37f3de878d518a06744248bad3a5a |
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