MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://nipisod.ru/strik?utm_term=a3+sketch+pad+amazon PDF link annotation
- https://static.s123-cdn-static.com/uploads/4454041/normal_6000e5ee4534f.pdfIn PDF document text
- https://bigonokefexix.weebly.com/uploads/1/3/4/5/134518339/rijir.pdfIn PDF document text
- https://migabodunezo.weebly.com/uploads/1/3/4/5/134587819/xuxinuratusumet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376598/normal_6024920b5b706.pdfIn PDF document text
- https://pudorexejuvaw.weebly.com/uploads/1/3/1/4/131455832/pijatagibujod_vanerakepe_zubibibaso.pdfIn PDF document text
- https://lifoluzasodani.weebly.com/uploads/1/3/1/4/131437418/kelemevajuk-zejikixepe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423460/normal_603324996a415.pdfIn PDF document text
- https://lejigatoni.weebly.com/uploads/1/3/1/8/131871980/pasaxiwoxos.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4453117/normal_5fe2a4782e808.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480899/normal_5fc91204defff.pdfIn PDF document text
- https://leditolovon.weebly.com/uploads/1/3/2/6/132682688/4183383.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384822/normal_602f7d0a717ca.pdfIn PDF document text
- https://tupodawemizaz.weebly.com/uploads/1/3/4/5/134594588/9f9b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417988/normal_60338122193c0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365608/normal_6041df4e16d16.pdfIn PDF document text
- https://xokebewogaxuwu.weebly.com/uploads/1/3/4/5/134588239/fulij-wororirike-sigexibonix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366313/normal_6024106ac7757.pdfIn PDF document text
- https://wujadadi.weebly.com/uploads/1/3/1/0/131070572/6129053.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393348/normal_60314beb257df.pdfIn PDF document text
- https://muvusawit.weebly.com/uploads/1/3/5/3/135392745/fejagodidobapomasi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/sinamozagemoger/felojijufesela.pdfIn PDF document text
- https://13ea8442-998f-4f14-ba3b-7f37e53a414c.filesusr.com/ugd/008a9f_dbb69bdca2ae42ea87616e5febb91caf.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tobito/vivah_video_song_mp4.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/ni_chupe_challani_chirugali_song.pdfIn PDF document text
- https://2571d5ef-7130-409a-b87d-c3fd18a83f30.filesusr.com/ugd/71fc55_50421e8e970a4bc98cb03a9a90eb4f93.pdf?index=trueIn PDF document text
- https://c8f6a2ed-bc8a-4fd4-b26a-19707db7c4cd.filesusr.com/ugd/1cc7e8_b7733f7bec6c4b27940cb21c3ba94cc0.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_off00010e30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E30 | 5452 bytes |
SHA-256: 2e18743a2cb99e8473b358aa8cfabbea033e33571d6d1e2db3225910ea31aef6 |
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font_01_sfnt_off000120a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A0 | 10884 bytes |
SHA-256: 07a5637384900a37b8e78ae2247eb287caa6b9de9cbc4ba762893f9cad35902a |
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