MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of 'fire warden helmet stickers' in the document body, combined with the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics, indicates a lure for potentially malicious content. ClamAV detection and ML classification further support its malicious nature, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://traffnew.ru/strik?utm_term=fire+warden+helmet+stickers PDF link annotation
- https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/tigav-keponomisisize-nuwimulaxa.pdfIn PDF document text
- https://sozipufejelaj.weebly.com/uploads/1/3/4/3/134352325/tabizakiwanet.pdfIn PDF document text
- https://jiwadurator.weebly.com/uploads/1/3/0/7/130776405/gitiwebopusose.pdfIn PDF document text
- https://juragubiv.weebly.com/uploads/1/3/0/8/130874328/3217034.pdfIn PDF document text
- https://tidemipevu.weebly.com/uploads/1/3/0/7/130740592/puxup_palufubajel_pinubov_mixepojew.pdfIn PDF document text
- https://tebefatudu.weebly.com/uploads/1/3/4/3/134329870/fe42a2d.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/1e30dd08-6430-4866-9b55-01599d1d0fb8/jazofetafezo.pdfIn PDF document text
- https://s3.amazonaws.com/rokuwapesu/wilson_and_fisher.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a006d47-4de7-417e-8836-3884f09d371e/lasalle_council_bsa_org.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7169d17b-49b7-47e0-b4f4-a82482602835/90174971370.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d288ceb-c35c-42fe-a2cf-383dc98ac935/killing_floor_2_demolitionist.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5350dad4-9103-4f2e-a516-d095ba12917b/barbie_pony_tale_full_movie_in_engli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf4cb328-c81e-4463-bb99-97dcbe5d491c/wotajuwevudazobi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54363c61-018c-42ad-9707-7e568ae37711/pebefube.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_off0000cbd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD1 | 5292 bytes |
SHA-256: 00e7e3879f43265714af51324b36856891192b3e87eca02d4c9a84f2b39a0879 |
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font_01_sfnt_off0000ddb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB4 | 11096 bytes |
SHA-256: 85829415cfdc089f64024b1b799846f8657ec07ceb45f7857e8c991f33ececab |
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