MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one link to ttraff.ru is flagged as a malicious redirector. This suggests a link farm or SEO poisoning attack designed to lure users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=probability+and+mendelian+genetics+lab+answer+key
- http://bimabilo.kibafreemanart.com/uploads/1/3/1/4/131437508/vigawejurobenu.pdf
- http://files.ndsuswe.org/uploads/1/3/1/3/131378868/a505238964e84ab.pdf
- http://tesukag.contemporaryedsolutions.com/uploads/1/3/1/3/131383483/6676439.pdf
- http://files.axokok.org/uploads/1/3/1/3/131383456/xekezerafejabewofel.pdf
- https://cdn.shopify.com/s/files/1/0437/5874/7800/files/sololearn_certificate.pdf
- https://cdn.shopify.com/s/files/1/0434/7949/8918/files/17622730152.pdf
- https://cdn.shopify.com/s/files/1/0429/0910/6343/files/bridal_march_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0429/6340/2905/files/pofudusupuk.pdf
- https://cdn.shopify.com/s/files/1/0447/7508/0087/files/wofesusisiwijiv.pdf
- https://cdn.shopify.com/s/files/1/0439/4595/1400/files/apple_pencil_apps.pdf
- https://cdn.shopify.com/s/files/1/0438/0190/3264/files/vixekali.pdf
- https://cdn.shopify.com/s/files/1/0434/0904/7708/files/black_s_law_dictionary_4th_edition_unabridged.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/34893867336.pdf
- https://cdn.shopify.com/s/files/1/0431/2157/4049/files/free_calligraphy_learning_books.pdf
- https://cdn.shopify.com/s/files/1/0428/3547/6636/files/22582882285.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_off00006f2e.bin1689db384e22d0101d43ede80eefbf699d5814bef5a13e55743e08211f54ebff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F2E | 5660 bytes |
font_01_sfnt_off00008272.bin88fff233739f0915db042c120e79f45e380e92c7a11af605f59d3cff45c51b7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8272 | 13504 bytes |
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