MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, contains the same redirector URL and a large number of links to PDF files hosted on Shopify, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=kareena+kapoor+picture In PDF document text
- http://kawawupim.jesslyonphotography.com/uploads/1/3/2/6/132683014/5ae436026acbb.pdfIn PDF document text
- http://kijite.mowaxdiscography.com/uploads/1/3/1/4/131406086/f870aa.pdfIn PDF document text
- http://files.learningtolearn-differently.com/uploads/1/3/2/6/132695329/72eb7.pdfIn PDF document text
- http://files.baldmanandhumans.com/uploads/1/3/1/6/131606492/wuzonupene.pdfIn PDF document text
- http://files.plumislandweavingco.com/uploads/1/3/0/7/130738676/loxod.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/1/0434/6091/9461/files/87015374100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/0778/2557/files/equipment_in_microbiology_lab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7780/2911/files/kuxitugasozajobodit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4965/5203/files/android_tv_box_remote_setup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7773/0464/files/27219857544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0463/3323/1266/files/depreciation_recapture_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6547/5229/files/41318510004.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5661/0976/files/letter_tracing_worksheets_b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/19543740648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7968/7587/files/dolphin_emulator_android_note_9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5670/9288/files/vekaburadebiniraxo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004ed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4ED5 | 4748 bytes |
SHA-256: 0175c13a20f5ddcd7020f18d14e0bbbc6679651fa4cd5ef08081d1a24cb521c1 |
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font_01_sfnt_off00005f08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F08 | 10116 bytes |
SHA-256: 952de3ad4ef76a4bc494e8339dd7942a4d96ac936cd05a01b476f0947b27998f |
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font_02_sfnt_off000081d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81D7 | 16168 bytes |
SHA-256: 794d8cc090a449e0d460036171b2d5b2c749cb0dc3f17972c44626ada68ee3d8 |
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