MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many of which point to a redirector service known for malicious activity. The primary redirector URL is https://ttraff.cc/pify?keyword=concrete+mathematics+a+foundation+for+computer+science+solutions+pdf. This indicates a link farm or SEO poisoning attack designed to lure users to malicious content. No scripts were extracted, but the presence of numerous links suggests a delivery mechanism for further malicious payloads or phishing attempts.
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/pify?keyword=concrete+mathematics+a+foundation+for+computer+science+solutions+pdf In PDF document text
- http://files.thedoghousepetservices.com/uploads/1/3/0/8/130873895/257a01.pdfIn PDF document text
- http://files.headinghomerescue.org/uploads/1/3/1/3/131381078/gawol.pdfIn PDF document text
- http://files.lagunaniguelcarpetcleaning.net/uploads/1/3/2/3/132303382/b9fe58d9a.pdfIn PDF document text
- http://files.hollandsportfishing.com/uploads/1/3/1/3/131379117/xedid_japanebune_rukuxipeve_voxim.pdfIn PDF document text
- http://muribenav.winklashes.ca/uploads/1/3/1/6/131636612/telubamakaxorifef.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/1/0429/1156/3932/files/pexipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0248/6180/files/39698829327.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8054/8503/files/busulek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6387/8566/files/fugexeta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/54365458823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5830/6965/files/lufip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1898/5370/files/php_minify_html.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8748/7395/files/99880317059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/4757/9811/files/vert_shock_week_4.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bekikelazipilexujewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rirolor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30072581460.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
🗂 Part of campaign:
jansceramic.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67D6 | 5300 bytes |
SHA-256: 059b37beb7998a3a810bfef2f662140c151f7eb39eaf4264dd2bd8e4939b5954 |
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font_01_sfnt_off000079a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79A8 | 9960 bytes |
SHA-256: f6c52198b5e23724327621b2dabafd45007d12fb78e1bd6597bed34dfa60bb33 |
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