MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. It contains a large number of external links, many pointing to benign-looking PDFs, suggesting a link farm or SEO spamming operation. One of the primary external links, 'https://seumenha.ru/strik?utm_term=heil+hvac+heat+pump+reviews', is likely the intended destination for users, disguised as product reviews.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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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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://seumenha.ru/strik?utm_term=heil+hvac+heat+pump+reviews
- http://vazagitomis.mypressonline.com/audiometria_interpretao.pdf
- http://pagavopalubutu.scienceontheweb.net/tabux.pdf
- https://cdn-cms.f-static.net/uploads/4425506/normal_605f797d825ef.pdf
- http://zelumefepa.sportsontheweb.net/givavupugidok.pdf
- https://cdn-cms.f-static.net/uploads/4369760/normal_60490d00903f7.pdf
- http://moradudipomibo.mypressonline.com/amsterdam_transport_map.pdf
- http://xutusurekawidi.medianewsonline.com/57334863403.pdf
- https://cdn-cms.f-static.net/uploads/4387417/normal_604bbe5a8daa3.pdf
- http://wabiferofuvud.mygamesonline.org/fashion_design_company_profile.pdf
- http://zonitupupafof.sportsontheweb.net/flowers_in_the_attic_series_in_order_lifetime.pdf
- https://cdn-cms.f-static.net/uploads/4501774/normal_602dce42aeb0d.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://204833c8-abda-4421-8777-5048ee7dd919.filesusr.com/ugd/e30b7a_dbb9a84623f8433c92d048aa94d42ecf.pdf?index=true
- https://s3.amazonaws.com/pazatuv/26661141749.pdf
- https://s3.amazonaws.com/wovedukevikov/dunogajigipu.pdf
- https://s3.amazonaws.com/zubuwujoxom/dijuvafagogobelus.pdf
- https://39c10a3a-92c6-412a-a1bb-b8a1fc48fbc4.filesusr.com/ugd/259099_a608ab5005a34f1192e3b22b3420e663.pdf?index=true
- https://44bb6ee8-a0fe-4f72-890f-0f0a2fec05cf.filesusr.com/ugd/b65acf_09d36628651b469d9f7ba1cf4dfd0709.pdf?index=true
- https://s3.amazonaws.com/towakog/jixizagukupukebijopesado.pdf
- https://s3.amazonaws.com/litunux/kasazogal.pdf
- https://s3.amazonaws.com/ponivotigegepub/ejemplo_de_dialogo_investigacion.pdf
- http://wovodijulenape.onlinewebshop.net/8265532179.pdf
- https://s3.amazonaws.com/bomupi/decimator_md_hx_user_guide.pdf
- https://s3.amazonaws.com/vutame/37444053891.pdf
- https://94aa8f26-b07a-4c24-bdb4-4112657565c9.filesusr.com/ugd/37428b_d8779f51f7cf4f2390189adce083639b.pdf?index=true
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fa44.binecf0d75407da9a3a21e97376fd99be3302da73db4f8b1d815cfff2dc8f148d72 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA44 | 4952 bytes |
font_01_sfnt_off00010b24.bind05715e7174e7706ac9866d2bc5094282bbfcf9cf4c23359849b389f1347b1be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B24 | 11372 bytes |
font_02_sfnt_off000130fe.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130FE | 4324 bytes |
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