MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is disguised as a link to a PDF about mathematical logic. The document body also contains numerous links to external PDFs, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.
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=introduction+to+elementary+mathematical+logic+pdf
- http://files.iambatinsane.com/uploads/1/3/0/9/130969115/85c6c.pdf
- http://files.jaspercountygeorgiadems.org/uploads/1/3/1/8/131856950/sugisenobefeg.pdf
- http://files.cliqueticketproject.com/uploads/1/3/1/6/131606345/tukajewebaxotiz.pdf
- http://files.workinprogressllc.com/uploads/1/3/0/8/130874023/nupaso-vekegalerepe-memanufefuxe-kafuf.pdf
- https://cdn.shopify.com/s/files/1/0437/3492/5463/files/65946323818.pdf
- https://cdn.shopify.com/s/files/1/0436/2082/7300/files/50162442560.pdf
- https://cdn.shopify.com/s/files/1/0434/9224/5666/files/convert_to_vsd.pdf
- https://cdn.shopify.com/s/files/1/0431/2363/8426/files/watovulatajifowamug.pdf
- https://cdn.shopify.com/s/files/1/0432/0067/6001/files/lavewozaziloneturamife.pdf
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/bcs_viva_book_download.pdf
- https://cdn.shopify.com/s/files/1/0438/4758/1856/files/xanobuwi.pdf
- https://cdn.shopify.com/s/files/1/0434/6193/5261/files/65543509587.pdf
- https://cdn.shopify.com/s/files/1/0435/5247/3243/files/dulopi.pdf
- https://cdn.shopify.com/s/files/1/0432/9252/4700/files/dirilolulexaxiwo.pdf
- https://cdn.shopify.com/s/files/1/0432/5877/3662/files/kevojavugewiw.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_off00004584.binaddf8beaef9b7429cc7d8021fa523bf55860f5c1c48234a9a71760895939392a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4584 | 5428 bytes |
font_01_sfnt_off000057dd.binee5626ddfa31e65acb9bf6b568f164e17fb04d64d331d6f21d0ef20987266c33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57DD | 8872 bytes |
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