MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain (ttraff.ru). This suggests a link farm or SEO poisoning tactic designed to drive traffic to malicious infrastructure. The ML classifier also 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=idiomatic+expressions+with+tener+quiz%2523+1+answers
- http://fanemumaf.thewindmillhillfarm.com/uploads/1/3/1/4/131437792/wabitofumifisalelet.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0462/6389/4173/files/job_application_form_format_in_word.pdf
- https://cdn.shopify.com/s/files/1/0430/4342/2362/files/pipevu.pdf
- https://cdn.shopify.com/s/files/1/0429/1834/6915/files/epilepsy_action_plan.pdf
- https://cdn.shopify.com/s/files/1/0432/8652/8155/files/jukadivi.pdf
- https://cdn.shopify.com/s/files/1/0433/9305/6933/files/dabapafakolevokeradaxi.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3556/files/51334071267.pdf
- https://cdn.shopify.com/s/files/1/0434/5279/2982/files/83138911974.pdf
- https://cdn.shopify.com/s/files/1/0432/8056/4392/files/20818684744.pdf
- https://cdn.shopify.com/s/files/1/0432/1384/8733/files/87324359727.pdf
- https://cdn.shopify.com/s/files/1/0438/3080/4637/files/online_to_jpg_splitter.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006100.bin28ad14a21d57210046cf4186b00ba4e17ca1dbf2ac13dac60ebf2438cb8bd069 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6100 | 5556 bytes |
font_01_sfnt_off000073cf.binff53466f1fa7f0fafea3319f5df73cb004fe7095e31ed8b884631d8243669285 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73CF | 10128 bytes |
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