MALICIOUS
120
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 of which point to Shopify domains hosting PDF files, likely as part of an SEO link farm. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is used to obscure the final destination. The document body, though corrupted, contains text related to 'understanding the linux kernel 4th edition pdf download' and the malicious redirector URL, suggesting a lure to trick users into downloading potentially harmful content.
Heuristics 3
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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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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.com/pify?keyword=understanding+the+linux+kernel+4th+edition+pdf+download
- http://files.mitchellwenkus.com/uploads/1/3/2/6/132681579/fd66669.pdf
- http://files.woman-empower-yourself.com/uploads/1/3/1/4/131409200/waxewagu.pdf
- http://files.heartpieces.net/uploads/1/3/1/3/131379749/3776242.pdf
- http://files.stefczaksgreenhouse.com/uploads/1/3/2/6/132681579/937705734dbf.pdf
- https://cdn.shopify.com/s/files/1/0436/1335/6189/files/51135607753.pdf
- https://cdn.shopify.com/s/files/1/0432/3786/7680/files/18843047750.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9629/files/project_risk_management_pmbok.pdf
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/58151983298.pdf
- https://cdn.shopify.com/s/files/1/0429/7211/9193/files/tuwadugatosikidinij.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2312/files/jurabed.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9489/files/70396324616.pdf
- https://cdn.shopify.com/s/files/1/0433/6635/0998/files/14224696196.pdf
- https://cdn.shopify.com/s/files/1/0437/2096/6298/files/jonezexoj.pdf
- https://cdn.shopify.com/s/files/1/0434/7346/9597/files/8865554441.pdf
- https://cdn.shopify.com/s/files/1/0439/3045/2123/files/geruta.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/62294775047.pdf
- https://cdn.shopify.com/s/files/1/0438/2962/4992/files/qdel_all_jobs.pdf
- https://cdn.shopify.com/s/files/1/0428/5107/4214/files/pumuzokexenuwe.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005b79.bin47db985cba833494fbcfbda3a8682395a3f040578689558da538f033f17ecf2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B79 | 5488 bytes |
font_01_sfnt_off00006e37.binbb83a0accc2c02915e1b98f7c67d9b85d6176ad308ffd704be8f9e260eadb717 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E37 | 9808 bytes |
font_02_sfnt_off00008fb7.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FB7 | 4324 bytes |
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