MALICIOUS
152
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 'Philippine auditing standards pdf'. The ML classifier strongly flagged this PDF as malicious. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or SEO manipulation tactic to obscure the malicious redirector. No scripts were extracted, but the primary malicious activity appears to be redirecting the user to a harmful site.
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=philippine+auditing+standards+pdf
- http://soruzuxa.ryrg.net/uploads/1/3/1/3/131380345/1193016.pdf
- http://files.skirtchasercharters.com/uploads/1/3/1/4/131454143/zejir_dipuvegajewad_tilulifad.pdf
- http://files.drbryanmills.com/uploads/1/3/1/4/131454316/0ad8deaf360b81.pdf
- http://files.drbryanmills.com/uploads/1/3/1/4/1314
- https://cdn.shopify.com/s/files/1/0433/1284/0862/files/52291559885.pdf
- https://cdn.shopify.com/s/files/1/0433/6897/2444/files/36260954363.pdf
- https://cdn.shopify.com/s/files/1/0432/8731/4590/files/34757073692.pdf
- https://cdn.shopify.com/s/files/1/0433/6248/4392/files/38441500180.pdf
- https://cdn.shopify.com/s/files/1/0430/9070/6599/files/adjective_preposition_combinations_exercises.pdf
- https://cdn.shopify.com/s/files/1/0433/6756/3429/files/cancer_immunotherapy_principles_and_practice_download.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/somej.pdf
- https://cdn.shopify.com/s/files/1/0432/7351/9269/files/geserokurakurupububiposad.pdf
- https://cdn.shopify.com/s/files/1/0433/9980/7126/files/zofukerixajikazinepoxufe.pdf
- https://cdn.shopify.com/s/files/1/0431/6351/7092/files/empirical_formula_practice_problems_worksheet_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/shooters_chief_keef.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_off0000a2a5.bin21f44b0fad7a5aa574299c021284e8bb508984bbf02a69609a86c235628f3fb9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2A5 | 5304 bytes |
font_01_sfnt_off0000b4ac.bin9729cb78428e8c068f5ee8c86d3d051eb79de2e3b971c26bd7d0360a7fd4f2c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4AC | 10536 bytes |
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