MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags a link to 'ttraff.com', indicating an attempt to lead the user to harmful content. The PDF_SEO_LINK_FARM heuristic further supports this by identifying a mass of external PDF links, suggesting a tactic to distribute malicious content or SEO spam. No scripts were extracted, but the document's structure and embedded links are indicative of a phishing or redirection attack.
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/wb?keyword=cromolyn%20sodium%20davis%20pdf
- http://muwij.division19students.org/uploads/1/3/0/7/130738524/7871613.pdf
- http://files.addictionrecoverymovement.com/uploads/1/3/2/6/132682171/f1981a041ee1892.pdf
- http://relage.galacticcustoms.com/uploads/1/3/2/6/132681579/xukuvunip-bigigasigopo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/gosubifurerotazelarunogu.pdf
- https://cdn.shopify.com/s/files/1/0432/5041/7827/files/gilakijifaj.pdf
- https://cdn.shopify.com/s/files/1/0439/1596/8667/files/nagalipinezokulapubuj.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9166/files/54873369239.pdf
- https://cdn.shopify.com/s/files/1/0432/2482/6014/files/56975877142.pdf
- https://cdn.shopify.com/s/files/1/0434/3755/5868/files/59156669464.pdf
- https://cdn.shopify.com/s/files/1/0431/7492/0347/files/36719728267.pdf
- https://cdn.shopify.com/s/files/1/0430/7533/8389/files/pelamaredawamapuged.pdf
- https://cdn.shopify.com/s/files/1/0432/3963/7155/files/25168741873.pdf
- https://cdn.shopify.com/s/files/1/0429/9217/3217/files/xinamunitonufifiwe.pdf
- https://cdn.shopify.com/s/files/1/0430/0328/1571/files/xatimovatol.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ecf.bin4386002af84eda97f60d3a26bf681e447326fdffa383c9e18d1e7c8a7c8c5191 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ECF | 5252 bytes |
font_01_sfnt_off000070a1.bin339bd8dd414e31ba372e04cad5f579c8895c8aff45243b065a232dfc4197595f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70A1 | 10288 bytes |
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