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 0.9964
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=how+to+hard+reset+asus+rt-ac66u PDF link annotation
- https://cdn-cms.f-static.net/uploads/4454041/normal_5fd789d852589.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495413/normal_5fd070735b334.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480173/normal_6033ed4d09d3f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455207/normal_606df6ae6302b.pdfIn PDF document text
- http://santecmb-sarl.com/50441804551whayg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476429/normal_6049e73a2919c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412195/normal_60297d1d26c7f.pdfIn PDF document text
- http://lirifajo.sportsontheweb.net/53132199502.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481282/normal_605e0fbc38ed4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483070/normal_602be73043f47.pdfIn PDF document text
- http://opros.xyz/gigefugafesipibedabcuor0.pdfIn PDF document text
- http://forovasax.medianewsonline.com/gixukizezagabo.pdfIn PDF document text
- http://peludofnor.fun/guitar_lesson_book_downloadniosy.pdfIn PDF document text
- http://bestita.space/naselilizakunexanume0zm.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450240/normal_600c1f95cf2c9.pdfIn PDF document text
- http://seplafond.xyz/the_cosmic_serpent_audiobook_free912nd.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mivurukelino.onlinewebshop.net/bejugexugijamigule.pdfIn PDF document text
- http://vewawisu.onlinewebshop.net/mcanisme_d_accouchement_normal.pdfIn PDF document text
- http://bemuvarewu.onlinewebshop.net/pneumatic_cylinder_selection.pdfIn PDF document text
- https://f84ffea9-2755-49c2-9cb5-47ca8b55fe65.filesusr.com/ugd/0adedf_5343e5f699694e03ba3bb6912e818157.pdf?index=trueIn PDF document text
- https://ecad98c5-3f79-4b5a-9309-7060426a101e.filesusr.com/ugd/66ec94_f3359cc865864492952140f653aa569e.pdf?index=trueIn PDF document text
- https://832c8a8d-f05d-46e3-9166-97d9de82ace4.filesusr.com/ugd/432509_a8557b4e1fa942f5870ca3950cfc1c72.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/89091e3f-e0eb-4c3f-8088-f611d31d13e6/oxidation_number_of_mercury_in_hg2_2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb1fd35f-5358-4e94-b7d7-6f0d791ce893/how_many_volumes_of_fairy_tail_manga_are_there.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2fe363ff-30d5-42bf-b72f-65e4eafd4090/jujebafi.pdfIn PDF document text
- https://70848fb0-0fd0-490a-9360-2ffa38fc212c.filesusr.com/ugd/08e331_8e949470c5fb47998d839c3453f7b06c.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_off0000f440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF440 | 5232 bytes |
SHA-256: 877c715bb4ac47dc9199bd616e8f86b0fbf2d813769ba00659ddc35f5d7acbc9 |
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font_01_sfnt_off00010620.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10620 | 11024 bytes |
SHA-256: b51df7cabbce17573b8e6924df315969de91e9980172a79c5e8e43b6f2bc22d6 |
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