MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc' with a keyword suggesting a lure for a social media stalking tool. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The presence of numerous external links, many hosted on Shopify, suggests a link farm or redirection strategy. The primary IOC is the malicious redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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.cc/pify?keyword=instagram+stalker+premium+apk In PDF document text
- http://files.jamesdouglasmultimedia.com/uploads/1/3/1/8/131856380/vajuwegezederag.pdfIn PDF document text
- http://files.rustadtours.com/uploads/1/3/1/3/131378899/a89712ac.pdfIn PDF document text
- http://files.samwheelockmusic.com/uploads/1/3/0/7/130739028/dusuvigaromapuz-punojige.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8547/7541/files/pigakuwatika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/21019260172.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5104/1447/files/83339554738.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1637/9816/files/61036578046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4285/6344/files/xevidoroxusuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4073/3341/files/guxexilatosi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/31139808602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8419/2675/files/14673120145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1958/3138/files/nidujomosibafatufemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3484/4059/files/65422981913.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20116177671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/mojetuvag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3448/4648/files/wobafixisoresegepenesatix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65587220918.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007098.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7098 | 4912 bytes |
SHA-256: e3b41ee47bcebf8660af984b822f9555b5d734e7118afa72668059c73f2e4464 |
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font_01_sfnt_off0000811f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x811F | 3536 bytes |
SHA-256: 43b0276abfae7cca821fba390bda328cf8ec0c6a43d09f34dfe3d4de34a3cb54 |
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font_02_sfnt_off00008f0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F0E | 10712 bytes |
SHA-256: 9051b3081e4f1b20cf91442ea1ac9380cf8ccc58e57cb2ea8699b4d6a257f49d |
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