MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains the same redirector URL. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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.ru/pify?keyword=sensors+and+actuators+in+automobiles+pdf
- http://fomizax.yyceliterenovation.com/uploads/1/3/0/9/130969358/gerafapexosas.pdf
- http://files.oaclassical.org/uploads/1/3/0/9/130969184/visap.pdf
- http://files.latreiarollershades.com/uploads/1/3/1/4/131453595/aaa4ae.pdf
- https://cdn.shopify.com/s/files/1/0434/6321/3209/files/69467093793.pdf
- https://cdn.shopify.com/s/files/1/0434/0147/8300/files/43313068119.pdf
- https://cdn.shopify.com/s/files/1/0433/5481/6665/files/38563937309.pdf
- https://cdn.shopify.com/s/files/1/0428/5677/5839/files/vugegaba.pdf
- https://cdn.shopify.com/s/files/1/0438/4351/8629/files/posaz.pdf
- https://cdn.shopify.com/s/files/1/0430/9018/2297/files/zowidetesorebitirewiroves.pdf
- https://cdn.shopify.com/s/files/1/0450/4177/8838/files/movies_coastal_grand_mall.pdf
- https://cdn.shopify.com/s/files/1/0432/5317/0339/files/angularjs_6_interview_questions_and_answers_for_experienced.pdf
- https://cdn.shopify.com/s/files/1/0432/9553/9368/files/riwowugawepofaduz.pdf
- https://cdn.shopify.com/s/files/1/0430/6200/1825/files/tisemuxixuzizosuloxime.pdf
- https://cdn.shopify.com/s/files/1/0430/8241/6281/files/wimegadomaxeposijiw.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006471.binf3c55aaa2cc63eb7f8ad8cb65b4aac9d4f7007ec9ffb918e2616605d25334bbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6471 | 5544 bytes |
font_01_sfnt_off00007728.bin9755f8fb50762572f01eb0c38974d72b9006979a69d89ae42633f98d86680565 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7728 | 10076 bytes |
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