MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, appears to contain text related to a calculus textbook, suggesting a lure to trick users into clicking the malicious link. The presence of numerous other PDF links further indicates a link farm or redirection strategy.
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=james+stewart+8th+edition+calculus+pdf
- http://files.hawgflatts.com/uploads/1/3/2/6/132696263/dc9957d83bd72f.pdf
- http://files.solidrockinternationalschoolofministries.com/uploads/1/3/1/4/131438234/4449334.pdf
- http://files.aitmission.org/uploads/1/3/0/8/130813524/5704187.pdf
- http://files.nowallsneeded.org/uploads/1/3/0/7/130776661/kumovotadinosoj-nufopuxotovor-foxaz-jasireke.pdf
- http://files.eaststreetartsnh.org/uploads/1/3/1/0/131071041/kidefij.pdf
- https://cdn.shopify.com/s/files/1/0431/4444/6118/files/37848660369.pdf
- https://cdn.shopify.com/s/files/1/0428/6427/9718/files/vusonudepidugudamoniv.pdf
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/15528808004.pdf
- https://cdn.shopify.com/s/files/1/0431/7318/3637/files/salimuvedepadomufitoli.pdf
- https://cdn.shopify.com/s/files/1/0431/3051/9716/files/bufonu.pdf
- https://cdn.shopify.com/s/files/1/0437/1238/1079/files/67020242407.pdf
- https://cdn.shopify.com/s/files/1/0433/0291/2158/files/how_to_block_people_on_discord.pdf
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/46764314557.pdf
- https://cdn.shopify.com/s/files/1/0437/0527/0427/files/61322213109.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jonexosorovofevovu.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_off00005670.bin54d7855786e8ef0bea42c425e9c78fa67103b9bbbfefe95a1cd126b2fa461013 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5670 | 5672 bytes |
font_01_sfnt_off000069ae.bin16d31562a56a7826333a5693b7c4875cfcc6761353cfbd57d422b83518247a3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69AE | 12840 bytes |
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