MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to external sites, several of which are hosted on compromised or disposable domains. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically flags this behavior. While no scripts were extracted, the structure and URL distribution suggest a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9876
Heuristics 6
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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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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://fcr-fomentoconsumoerenda.com/uploads/files/vifizafonixazojuvukeva.pdf
- http://eko-uklid.com/files/file/visuvovaratabamatajupura.pdf
- https://vieclamxaydung24h.com/upload/files/xobaribixu.pdf
- http://belloverde.net/emailer/file/mokajitexe.pdf
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/j0v58m7ssc5plmko5pof8830kj/lagiwawepub.pdf
- http://kardelendalgicpompa.com/uploadfiles/file/28595871882.pdf
- http://daotaonhaccong.com/uploads/userfiles/file/berefelogetasivodejuvefe.pdf
- http://xecuoihuyhoang.com/uploads/userfiles/file/27384428073.pdf
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/71111789338.pdf
- https://tempegaring.com/contents//files/93864606205.pdf
- http://archerelectricsupply.com/userfiles/file/netojigosawopovu.pdf
- http://langeline.com/ckeditor/upload/files/94466270213.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f640188b96b---narurelato.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/i8uti4r9kiobq124qe3jfo7kp6/26689438617.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aaae9ddab---loverisujodavikeruduvaxul.pdf
- http://lachina.cn/upload/file/jegokezemudov.pdf
- https://ises.ca/phpsites/vertical_living/uploads/file/vexeretevilaleriz.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160acfba43efd6---74748896189.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730b94cb927---94638690404.pdf
- https://menlopark.com/wysiwygfiles/file/fipera.pdf
- https://efnnma.org/files/file/vevanijujon.pdf
- https://besteva.com/upload/files/29515472644.pdf
- http://a1-automotivegroup.com/upload/files/zibetapagozedober.pdf
- http://kleinschadenexperte.de/userfiles/file/vexazud.pdf
- http://ozanatalan.com/iboard/includes/userfiles/files/gifimoxe.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a267e29f3a0---84366133635.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=adjective+phrase+worksheet+grade+6
- 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_off0001004b.binb46c06909a4be6b7e51e889f53bdb081d32a642652898ef37ae666868bfabf1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004B | 17272 bytes |
font_01_sfnt_off00012d2c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D2C | 16792 bytes |
font_02_sfnt_off00014543.bin552f0e56cb73f8f646477fe389721100ff201ea662b323d83e2cb690d385d623 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14543 | 11168 bytes |
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