MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is likely the primary malicious payload delivery mechanism. The document body itself is heavily obfuscated and contains the malicious URL, suggesting a social engineering lure to encourage users to click the link. No scripts were extracted from this sample.
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=excel+formulas+with+examples+in+excel+sheet+pdf In PDF document text
- http://files.kennylakehawks.com/uploads/1/3/1/3/131380627/9454917.pdfIn PDF document text
- http://files.simixlaundrydetergent.com/uploads/1/3/1/6/131606965/tojigupaxikiramimur.pdfIn PDF document text
- http://files.sapulpahistory.org/uploads/1/3/2/3/132302913/8014213.pdfIn PDF document text
- http://files.donandmargieabroard.com/uploads/1/3/1/0/131071076/f2b818fc74ed0.pdfIn PDF document text
- http://files.strotherlab.ca/uploads/1/3/1/8/131856860/zewopejunumogotobom.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/1/0428/8810/2051/files/skyrim_werewolf_controls.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0175/6323/files/microbiology_a_laboratory_manual_10th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9917/6612/files/rotoforo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/68118907934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1916/6119/files/25412773862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7180/7391/files/93889653765.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6423/files/pefagefitetuvuxuvigafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0364/0999/files/60848434897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4703/3752/files/57252062456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2790/6206/files/bugotopepanirovekesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/magobusiriwolozun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5340/6618/files/cool_math_clicker_heroes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2878/3002/files/70505268915.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_off00006b79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B79 | 5512 bytes |
SHA-256: 600c04d4ea5fa8bc45d1bd73b6cd1850cb03f9d36764ab9dd207cd310f2c31dc |
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font_01_sfnt_off00007e22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E22 | 10784 bytes |
SHA-256: aa3d82d49558c29ccd057bc965eba297cc5742cb0794159ca56f50fb9942aff5 |
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