MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF contains a large number of external links, many pointing to Shopify domains, which are likely part of a link farm designed to improve search engine rankings for malicious content. The primary malicious URL, ttraff.com, is identified as a redirector. The document body, though heavily corrupted, suggests a lure related to finding a textbook PDF, which aligns with the link farm's SEO-focused nature. The ML classifier 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.com/pify?keyword=ways+of+the+world+textbook+pdf+chapter+12
- http://files.threeaineconsultancy.com/uploads/1/3/1/0/131070125/587526f65.pdf
- http://files.buppertsfarmcsa.com/uploads/1/3/0/7/130738755/buzon-zaxiwutepew-vebes-wumuvojunozari.pdf
- http://files.natashadownes.com/uploads/1/3/1/4/131454355/5a3407158f.pdf
- https://cdn.shopify.com/s/files/1/0430/5816/7959/files/jekixowumumawebimutumise.pdf
- https://cdn.shopify.com/s/files/1/0434/9886/4804/files/17316454830.pdf
- https://cdn.shopify.com/s/files/1/0427/8878/2236/files/sojavijixipadimiz.pdf
- https://cdn.shopify.com/s/files/1/0434/2602/1527/files/maxukokugulemone.pdf
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/30274742444.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/89462818099.pdf
- https://cdn.shopify.com/s/files/1/0430/0043/0746/files/78726415334.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nemubowakupupoda.pdf
- https://cdn.shopify.com/s/files/1/0436/9950/3272/files/25558420341.pdf
- https://cdn.shopify.com/s/files/1/0435/0948/1624/files/54731671639.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/36777894782.pdf
- https://cdn.shopify.com/s/files/1/0433/8027/7406/files/59100783113.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_off0000a876.bin02dec4b24f254cdce9409ac0125059893a780672b94894952e6cce3383368751 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA876 | 5540 bytes |
font_01_sfnt_off0000bb8a.binbdbd32e61ff13f7a788ad8a07a1c413092a71241dca024e08b3e362b58268939 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB8A | 10332 bytes |
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