MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many pointing to disposable domains, indicating a link farm or phishing operation. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as a phishing trojan. The document body, though partially corrupted, contains text related to 'aaron beck books pdf' and 'wkhtmltopdf', suggesting a lure to disguise the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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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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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://bologen.ru/123?utm_term=aaron+beck+books+pdf PDF link annotation
- http://xefawojuj.mygamesonline.org/70271017473.pdfIn PDF document text
- https://nogudoge.weebly.com/uploads/1/3/4/0/134017621/9380841.pdfIn PDF document text
- https://cdn.sqhk.co/wexunaveb/ePQidP3/informal_influence_business_definition.pdfIn PDF document text
- https://cdn.sqhk.co/lokijuzim/gi3crdc/sniper_arena_pvp_army_shooter_mod.pdfIn PDF document text
- https://sudarotabodubig.weebly.com/uploads/1/3/1/4/131407445/81b5716d.pdfIn PDF document text
- https://cdn.sqhk.co/jilebodetifa/jjfihgj/57937728105.pdfIn PDF document text
- http://zutatowatipo.mywebcommunity.org/hipoxia_y_asfixia_neonatal.pdfIn PDF document text
- https://magirakikepemun.weebly.com/uploads/1/3/4/0/134000039/d9bad18860.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479439/normal_600724399e2d6.pdfIn PDF document text
- https://cdn.sqhk.co/kotoweraga/iDzvheY/score_sheet_of_cricket_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374185/normal_6048da3674a32.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://6bc61794-ec17-45f1-96eb-8bed4cd57308.filesusr.com/ugd/217b8a_750ae80dc6524014a92662bc2591845e.pdf?index=trueIn PDF document text
- https://f6ea5e03-7e7c-4dce-82ee-fd5d223759ef.filesusr.com/ugd/d203ad_ed29f6fb06ad43ab9b6906edc63e3ff0.pdf?index=trueIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_c8443b7c429544c6b549ed3f4d810fb9.pdf?index=trueIn PDF document text
- https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_bcd21d87546b4412b81e5d305b8e12f2.pdf?index=trueIn PDF document text
- https://f4dd034e-00c7-465c-b850-fb2d75accad5.filesusr.com/ugd/769f78_66a6a79bd7f84ab8a2d9468cc7cb3eb4.pdf?index=trueIn PDF document text
- http://danebusuji.onlinewebshop.net/bomba_de_paletas_equilibradas.pdfIn PDF document text
- https://cc0b58a5-7bf4-4b41-9cd7-d9bc0cd2cc6f.filesusr.com/ugd/6dc98b_fb5ffd5db0ed47098ce5372ee3a021d0.pdf?index=trueIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_d1b918eb3e2147b7b13b919d035821f5.pdf?index=trueIn PDF document text
- https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_f15362bf16be41208d7b2b163f56d98f.pdf?index=trueIn PDF document text
- https://105d84dd-9b22-4355-af37-21382b2db671.filesusr.com/ugd/f4243a_1f7dd67a5e2e418abe1e178b2c9fb016.pdf?index=trueIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012d9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D9E | 5308 bytes |
SHA-256: a055bf9a6218aa2aa14ab2c191ff4c38a85d09cbce9820359ef3415f734c6d77 |
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font_01_sfnt_off00013fb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FB9 | 11368 bytes |
SHA-256: f6d32d52eef2be546879e56c1dd667c78fd19bea6ce2af9b256291e155b5ad42 |
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