MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports the malicious intent of directing users to potentially harmful content. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ponafet.ru/strik?utm_term=english+grammar+worksheets+for+class+2+pdf PDF link annotation
- http://sinoxaju.mygamesonline.org/gowubodugevejezusuzarujot.pdfIn PDF document text
- https://tedagenuv.weebly.com/uploads/1/3/2/6/132682668/b7057b58222ef9.pdfIn PDF document text
- http://useplafond.xyz/65520979000o595y.pdfIn PDF document text
- http://akillidestekbasvuruformu.online/game_online_hay_cho_androiddr3fq.pdfIn PDF document text
- https://tawisowa.weebly.com/uploads/1/3/5/3/135315305/35904.pdfIn PDF document text
- http://idealslimitalia-ufficiale.site/conjugating_reflexive_verbs_in_spanish_past_tenseub9wz.pdfIn PDF document text
- http://zegererevez.medianewsonline.com/64871808685.pdfIn PDF document text
- https://gazewowotom.weebly.com/uploads/1/3/4/6/134616189/pirigaligulezorinami.pdfIn PDF document text
- https://zapotaputilaka.weebly.com/uploads/1/3/2/6/132683001/3331692.pdfIn PDF document text
- http://jidokove.scienceontheweb.net/pathfinder_kingmaker_weapon_modifiers.pdfIn PDF document text
- https://zavelodenewiguj.weebly.com/uploads/1/3/5/3/135314669/86d41dd94b8ab.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://solugivewatewa.myartsonline.com/pathophysiology_of_ischaemic_stroke.pdfIn PDF document text
- https://5b0e1d79-1acc-45ba-a965-31015372eee8.filesusr.com/ugd/67f5f7_a4eac4b43519439bbc48eedfd1aa7078.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mozirolinitaje/hollywood_classics_vietnam_guide.pdfIn PDF document text
- https://s3.amazonaws.com/kelageketisefuv/gsnap_autotune_free_pc.pdfIn PDF document text
- https://69a21580-3c80-4f81-8097-1ec0bc18215d.filesusr.com/ugd/bd7df1_b33f12eef03d41fca5608b2722ca2a63.pdf?index=trueIn PDF document text
- http://zulolabopel.myartsonline.com/brche_dividieren_und_multiplizieren.pdfIn PDF document text
- https://s3.amazonaws.com/tolivajupeku/febimonorewoz.pdfIn PDF document text
- https://12c48f50-3553-44c7-a31c-19fc5df83d07.filesusr.com/ugd/7e0eb0_b2100f023c284d9e9f1db1d7becf3405.pdf?index=trueIn PDF document text
- https://e4fb9bf1-a3d6-4767-9bf2-2a1021e5dc09.filesusr.com/ugd/53cfc7_9ee33ea26a664851a6ca5f5b3ec5add2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wumodukubaru/spanish_sports_channels_tv_guide.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_off0000dec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC2 | 5816 bytes |
SHA-256: ad9f3c85f22066268ac88f350713ad58999ceb53870754441f7d536e6a3cf4a7 |
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font_01_sfnt_off0000f284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF284 | 10568 bytes |
SHA-256: 146a4a58b4ce0f9f2cd97a76edb60d2fc5dbaed434a547a5aed16f7ee7255fcf |
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