MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to its extensive use of external links, a technique often employed for SEO manipulation or to distribute further malicious content. One critical heuristic flagged a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=dammit+guitar+tab'. The document body contains garbled text and metadata indicating it was generated by wkhtmltopdf, suggesting it's not a typical user-facing document but rather a programmatic construct. The large number of embedded links, many pointing to Shopify domains hosting PDF files, indicates a link farm or distribution network.
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=dammit+guitar+tab In PDF document text
- http://files.patrickrheck.com/uploads/1/3/0/7/130776241/502ad.pdfIn PDF document text
- http://files.charbeneaudesigns.com/uploads/1/3/0/8/130874254/33cee01305c769.pdfIn PDF document text
- http://files.kevinbuecher.com/uploads/1/3/1/6/131637419/timexow.pdfIn PDF document text
- http://files.katherinemichelmore.com/uploads/1/3/1/1/131163867/9891897.pdfIn PDF document text
- http://files.frankm-arts.studio/uploads/1/3/2/6/132695881/jotoxonavusa.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/1/0429/9603/9839/files/6887312100.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3714/7811/files/sijapevebesajeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4542/8122/files/61439631602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3872/8611/files/zawis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6402/4470/files/zesobexojotidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3823/6062/files/semikur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5794/6522/files/zaduxugabulodi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8360/3876/files/60036315572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/nesizesejigupu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/29269588116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/vatanixu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8032/7076/files/legends_mod_minecraft_1._7._10.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004fb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FB7 | 4932 bytes |
SHA-256: 04ff0b8f9f39ef2babdc98f1415bbb2f8a6eefa556fe51947b5500553af54208 |
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font_01_sfnt_off00006070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6070 | 14156 bytes |
SHA-256: ef4df91d73b1b6ec4a534b292434fb08e4734871c9a941e34955013a653d85e5 |
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