MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wb?keyword=list%20of%20all%20measuring%20instruments%20pdf'. This indicates the document's primary purpose is to trick users into clicking a link that leads to malicious infrastructure. The presence of a large number of external PDF links, many hosted on Shopify, further supports a link farm or SEO poisoning tactic. No scripts were extracted, but the embedded URLs and heuristics strongly suggest a phishing or redirection attack.
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=list%20of%20all%20measuring%20instruments%20pdf In PDF document text
- http://files.colossalsportsent.com/uploads/1/3/1/3/131379111/b423519c4.pdfIn PDF document text
- http://wumimepa.anaestheticchecklists.com/uploads/1/3/0/8/130874431/e18a76.pdfIn PDF document text
- http://files.neilaquino.com/uploads/1/3/0/8/130873983/pumuk-xofasawivaluli.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/1/0429/9299/2410/files/80173351919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3380/5471/files/pivigig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5149/1233/files/wevokaboxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4744/4899/files/3638622757.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3563/files/nasenot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3757/files/kolemobexakorukuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7618/9346/files/1_99_runecrafting_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/mepirutorobozi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7931/1253/files/dieta_doctor_atkins_descargar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4998/3905/files/fowosovelukoxed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/kofidosumetufuzewabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/53345125108.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_off00005ecc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ECC | 5300 bytes |
SHA-256: 6ec98ed25691ad45525c8426420a98874db9f5ecf87452f0bff7b4c85ac1838c |
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font_01_sfnt_off000070ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70BA | 1800 bytes |
SHA-256: e9a5a1f6ed95b1e3669933bb00002ad32a1708c3e0b735191cad5e02368a6c7d |
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font_02_sfnt_off00007948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7948 | 10184 bytes |
SHA-256: f5c1fb5a615dfed9cbd79922d7f04513fb9c5f34f3da3b4fccfdc311fa6ea1d1 |
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font_03_sfnt_off00009c60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C60 | 16164 bytes |
SHA-256: c41fc46809d2260d2d1a821cef6bb00dae560fdbad380da94a93f29d012df54e |
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