MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains this URL and appears to be a lure for downloading 'Adobe Illustrator CS6 for Windows free'. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm SEO tactic to improve search engine ranking for malicious content. The ML classifier also 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=adobe+illustrator+cs6+for+windows+free
- http://winil.littlebluebowphotography.com/uploads/1/3/1/3/131383258/2267253.pdf
- http://files.stteachinguk.com/uploads/1/3/0/9/130969751/0df970f6a21969b.pdf
- http://files.adventure-and-salt.com/uploads/1/3/1/6/131637016/fogonav-lorogikafixuj-kumaju-xewabakesozer.pdf
- https://cdn.shopify.com/s/files/1/0436/0952/2339/files/semometubojo.pdf
- https://cdn.shopify.com/s/files/1/0433/4642/8072/files/applied_strength_of_materials_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0437/1356/0727/files/nopegekixisojukexiv.pdf
- https://cdn.shopify.com/s/files/1/0431/0227/3703/files/darix.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wirokole.pdf
- https://cdn.shopify.com/s/files/1/0432/2898/7547/files/52124624252.pdf
- https://cdn.shopify.com/s/files/1/0431/8255/5297/files/xoxaxegirukopesigilolovab.pdf
- https://cdn.shopify.com/s/files/1/0435/3232/0917/files/answer_garden_logo.pdf
- https://cdn.shopify.com/s/files/1/0429/9125/5713/files/81092268271.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4182/files/gekoxovolisusiroxuxer.pdf
- https://cdn.shopify.com/s/files/1/0440/3852/0997/files/38399850840.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_off00006150.bin72758ff4dd647a813d8836e044dba67c47f1ab509a129118e0ac7afbb1fda00c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6150 | 5392 bytes |
font_01_sfnt_off000073bf.binc8c9ca19dc21cb38ee9f30cb399533aaad496bf459918d40c35a55358c920ebe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73BF | 11116 bytes |
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