MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, presenting numerous external PDF links, with a primary suspicious URL pointing to a driver download lure. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and driver download keywords, reinforcing the lure. No scripts were extracted, but the overall structure suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://resalured.ru/strik?utm_term=acer+aspire+one+722+drivers+download+for+windows+7+32-bit PDF link annotation
- https://fuzaterolipi.weebly.com/uploads/1/3/1/4/131438829/8401807.pdfIn PDF document text
- https://kukapurabu.weebly.com/uploads/1/3/4/3/134375365/gixebutesaxigibi.pdfIn PDF document text
- https://cdn.sqhk.co/mixaluwekitu/diCjl3I/bafomamemekidamalibotone.pdfIn PDF document text
- https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/titenabomapa-degizurip.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452588/normal_6023f1078290f.pdfIn PDF document text
- https://cdn.sqhk.co/jemedolena/Igcjngj/captain_america_civil_war_poster.pdfIn PDF document text
- https://cdn.sqhk.co/wifepodilojo/iaggTgf/star_wars_battlefront_2_galactic_conquest_gameplay.pdfIn PDF document text
- https://cdn.sqhk.co/vefusujix/Cehhe0f/pejinow.pdfIn PDF document text
- https://wanovupejofo.weebly.com/uploads/1/3/4/5/134580977/kuridirizizojawes.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448323/normal_60518b292bbc0.pdfIn PDF document text
- https://cdn.sqhk.co/gabazumad/0DifhhP/egg_free_pancake_recipe_thermomix.pdfIn PDF document text
- https://kodiridit.weebly.com/uploads/1/3/5/3/135342100/xabinitefowupiwubivi.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/e6321dea-ce75-4729-97c2-8b7aab8b9821/38939001438.pdfIn PDF document text
- https://s3.amazonaws.com/gidibesuxi/microsoft_teams_logo_guidelines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/deca7e07-e72e-47d5-9af9-01d38b4d060b/what_kind_of_transmission_oil_for_ford_f150.pdfIn PDF document text
- https://s3.amazonaws.com/nefunupu/30387836881.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5a72c99f-a885-4de8-b853-0c27f9774d68/lelijopuni.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/707253dc-a279-47d2-86cb-b03509e93718/wusefipitoxawu.pdfIn PDF document text
- https://s3.amazonaws.com/kegubinefuda/hernia_epigastrica_pediatria.pdfIn PDF document text
- https://s3.amazonaws.com/gumegulaxi/ge_proficy_machine_edition_9.5_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d452a1c-c1e0-4754-9827-a99edbf177d0/how_to_make_a_magic_ring_crochet_for_beginners.pdfIn PDF document text
- https://s3.amazonaws.com/fajetufekejo/maxogumola.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/26a228bb-e5d9-4dc0-a564-c4c24e198214/50229141960.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_off0000f29b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29B | 5836 bytes |
SHA-256: 0e4793e082eb8687b0a90c2f326b65d56aa01a8ed2e46e2be2aa08fc4aaa3071 |
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font_01_sfnt_off000106b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106B1 | 10328 bytes |
SHA-256: 039a74a9a2b58415d0cece826ce3c15675dfb081196d9eb94594d1e2228a277e |
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