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 0.9996
Heuristics 6
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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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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://zajinet.ru/strik?utm_term=skeletal+system+worksheet+answer+key+pdf PDF link annotation
- https://vipagazowarofi.weebly.com/uploads/1/3/4/6/134685611/1524956.pdfIn PDF document text
- https://xodalolekuxol.weebly.com/uploads/1/3/4/1/134108590/6b786a.pdfIn PDF document text
- https://dewotime.weebly.com/uploads/1/3/1/6/131606762/sijupole.pdfIn PDF document text
- https://fejenugid.weebly.com/uploads/1/3/4/0/134016750/towewawawipikades.pdfIn PDF document text
- https://zezupivipikoko.weebly.com/uploads/1/3/4/5/134596705/numaritam.pdfIn PDF document text
- https://nitipitu.weebly.com/uploads/1/3/0/7/130775162/6843247.pdfIn PDF document text
- https://fizubuvi.weebly.com/uploads/1/3/5/3/135301632/rimesakaratolej.pdfIn PDF document text
- https://modatubegawaso.weebly.com/uploads/1/3/4/4/134491319/7197259.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377114/normal_5fd883568e4ea.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369771/normal_6018c219437a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380545/normal_604cf51f34de9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366665/normal_603cae74a069a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458615/normal_5fe8632023111.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0baf36bf-5512-419a-bb36-da9f70615ba5/sadlier_vocabulary_workshop_level_f_unit_4_synonyms.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9c30a8b4-9729-4ddc-b4ba-5a3dacc82bb6/loxiruw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b70e070b-996e-4fa0-8b32-5209384f697e/nitopotupewuvikugonus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0bd6904b-67b0-4587-bc25-22d80392a3d9/what_is_your_favourite_pet_dog_scratches_you.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1cb0dc67-2766-4891-9db8-46cf4adef99b/genie_sp99_replacement_remote.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df71117e-cb82-4449-b6df-afe6b9bc7d11/56537682297.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/07cec123-b4f1-45ea-a74b-1703a4bdbd36/turnitin_free_alternative.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed6086a9-11f1-4f4f-b01d-224032c0c8e9/80496552692.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5e8a81d5-c10c-4382-9c5e-05bdee25fe78/beauty_and_the_beast_flute_solo_sheet_music_free.pdfIn 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_off0000e962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE962 | 5644 bytes |
SHA-256: 43523c42dc667034b740447898589bc8f646385cc3a1d5199cb2ad16116fd50e |
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font_01_sfnt_off0000fc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC80 | 10520 bytes |
SHA-256: a7b67c79a4952b6886d3aa242f01bf9c0f9a4dae427b000427dbe389a46f5485 |
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