MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The heuristics reveal numerous embedded URIs pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to distribute further malicious content. The presence of an IP literal in one of the URIs is also a strong indicator of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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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://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612c3a68bbfb0---sinurasilipobemenum.pdf
- http://giaexploring.it/userfiles/files/tusikaxez.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5234e9f347---lemoxajebemodovuwudu.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/pdlvq3p9mdiq9eh602b3s55tnv/gujidolevumupigonuje.pdf
- http://cabini.it/userfiles/files/kevuvanaxedegapije.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/mu0pkedmfaba3a8l8hqj9dg4rg/98485080625.pdf
- http://suvagcentr.ru/userfiles/files/gojowewuxurixuzumakozemos.pdf
- http://alliance-ic.ru/uploads/file/76469990257.pdf
- http://keacg.com/upload/files/27389844959.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/02ouapviblmghd348g27uiavde/73724794460.pdf
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16126711e37103---beraperol.pdf
- http://didopack.com/files/40643288799.pdf
- http://jatyn.cn/upfiles/202105/file/1620432543.pdf
- http://yingtailong.com/upload/file/210901231205680980kr0mxxu5tl35.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0f006364d---29875181505.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094c31c67245---11681961965.pdf
- http://train-in-japan.com/images/blog//file/zuliripiw.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1609eff941c622---9378251718.pdf
- http://clubmaniacr.com/campannas/file/totimidetawaxoxas.pdf
- http://nedirajtebosnu.net/userfiles/file/meteburikogipuwewiwaf.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeba42156c---rupisukelududupuz.pdf
- https://rubenoferro.com/userfiles/file/36722602218.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160d1ce4123ee7---jimomozuwufimi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=arabic+language+learning+in+bengali+pdf
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cdcb.bin822333c82ef895fd08bfa7989df6529db0b5239372984a69b8737a97cfb57a3d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDCB | 18124 bytes |
font_01_sfnt_off0000fcf1.binbbb5496da62fe9a5f464b9c5449f654c7b92282cf7e83c4d7bd449154c47064b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCF1 | 10632 bytes |
font_02_sfnt_off000114ed.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114ED | 16792 bytes |
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