MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, a common tactic for SEO poisoning or phishing campaigns. One prominent URL, 'https://maypoin.ru/award?keyword=3+branches+of+government+worksheet+pdf', is flagged as suspicious. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting an attempt to manipulate search engine results or distribute malicious content. The ML classifier and ClamAV detection further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9104
Heuristics 4
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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External URI info PDF_URIPDF contains an external URL action
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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://maypoin.ru/award?keyword=3+branches+of+government+worksheet+pdf
- https://cdn.sqhk.co/liripudeb/dLZErm4/51099727793.pdf
- https://cdn.sqhk.co/kasesiseb/sCatthh/doxidenasase.pdf
- https://cdn.sqhk.co/gojikanemiju/CcjMdji/bofigowuriz.pdf
- https://cdn.sqhk.co/fidapulano/UifhaAZ/yeti_hunting_monster_survival_game_3ds.pdf
- https://cdn-cms.f-static.net/uploads/4368494/normal_602ca81d04eb5.pdf
- https://cdn.sqhk.co/bapisolel/f6Zx1ii/3672563247.pdf
- https://cdn-cms.f-static.net/uploads/4418777/normal_6011f414f0ec9.pdf
- https://cdn-cms.f-static.net/uploads/4378164/normal_602895d3bdf0e.pdf
- https://cdn-cms.f-static.net/uploads/4496571/normal_601aa416da17f.pdf
- https://cdn.sqhk.co/xorilulog/higqHje/pador.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/986f247b-c0ec-40bb-8103-c69d96292433/dokiniroveselakopamiwol.pdf
- https://uploads.strikinglycdn.com/files/cd48b6c2-7f84-4a4c-96eb-e56d443c802e/91672627121.pdf
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_1ecf85e652fc4671bf3c415b02ed9db7.pdf?index=true
- https://uploads.strikinglycdn.com/files/897dff29-87fb-463a-858b-9ecf286e1208/honda_ruckus_service_manual.pdf
- https://s3.amazonaws.com/zerepuzuze/the_bent_twig_isaiah_berlin.pdf
- https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_9c966b26f9624d5c9522af1febfb779b.pdf?index=true
- https://uploads.strikinglycdn.com/files/ac5fae8b-8629-4a20-bbc7-27c35360a8c3/how_to_pronounce_latin_word_gratia.pdf
- https://s3.amazonaws.com/widiku/ubiquiti_picostation_m2_default_password.pdf
- https://s3.amazonaws.com/rizijubovapuk/safowamokarefizada.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa9b.bin49460719744f833ef51136df38cb3fc69d7873e1615960bffed5af27ec5e7dd2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9B | 5700 bytes |
font_01_sfnt_off00010dcb.binbe60f36db0d6e91ad29bd8f5c51ff18e361b396191b33a5dd7730be7821896f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DCB | 11276 bytes |
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