MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates a malicious redirector link, specifically `https://ttraff.cc/wb?keyword=trig%20identities%20problems%20and%20solutions%20pdf`. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://ttraff.cc/wb?keyword=trig%20identities%20problems%20and%20solutions%20pdf In PDF document text
- http://files.alittlehand.net/uploads/1/3/2/6/132683070/beridezak-sifisajip-gixapibenilafo-furem.pdfIn PDF document text
- http://files.rescuetheunderdog.com/uploads/1/3/0/9/130969503/0bf4b172772989d.pdfIn PDF document text
- http://files.floydslighthouse.com/uploads/1/3/1/8/131871894/2833070.pdfIn PDF document text
- http://files.powerhouseladysmith.com/uploads/1/3/1/3/131398532/mawane-zubidogikum-potuga-suvunuwuv.pdfIn PDF document text
- http://files.2yogajoy.com/uploads/1/3/1/6/131607230/nopezole.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/risokiwawetijiliwumobusox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1151/2232/files/97244827074.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6385/2708/files/dovuvixazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6901/3144/files/xolibimesupofiwugiruxut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3486/1987/files/wazaranuwesiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3911/3895/files/orthographe_gratuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5628/2265/files/xilunoma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0635/9714/files/sojenutekipusubo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/datoroxewafanafix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/les_turcs_anciens_et_modernes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4388/7016/files/kizebadif.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B93 | 2900 bytes |
SHA-256: b3dfb2f2c41da7350fc3755141d2fd0ea5796bb125df25fec831093623ff73df |
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font_01_sfnt_off000065d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D6 | 5452 bytes |
SHA-256: 313ad13272edb43a4bbefec855d15234de845e31bff459a65af7723aca049c92 |
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font_02_sfnt_off00007847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7847 | 14140 bytes |
SHA-256: cb496770acb01185becec2dba342e8d1681268f63a411f44e5e8ef3ffbab4cef |
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font_03_sfnt_off0000a4eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4EB | 16196 bytes |
SHA-256: 1d6ebf0a2698aa01807808650a02f8b66b5da49d8d57fb58c73e1a9e97fce268 |
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