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 pointing to 'https://ttraff.ru/wb?keyword=istanbul%20travel%20guide%20pdf'. Additionally, a high-severity ML classifier flagged the PDF as malicious. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The PDF also hosts a large number of external links, many hosted on cdn.shopify.com, indicating a link farm strategy.
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.ru/wb?keyword=istanbul%20travel%20guide%20pdf In PDF document text
- http://wojaziw.theslosscrew.com/uploads/1/3/2/7/132710621/levubobipofu_mowizaberalukuj_vogafu.pdfIn PDF document text
- http://files.undauntedcolorguard.org/uploads/1/3/0/8/130813413/6809596.pdfIn PDF document text
- http://files.dropby2day.com/uploads/1/3/2/6/132696117/6839014.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/1/0437/8738/7037/files/bazit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6576/1176/files/sirekeju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2855/3634/files/manga_de_sailor_moon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5045/1623/files/wavesabenoloburadesule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8974/0441/files/30106679236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7487/1711/files/86316472905.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8984/5671/files/17489954958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/4364/6614/files/bus_architecture_of_8085_microprocessor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2611/0885/files/duzemowasuvurifixatof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9129/6413/files/14542056616.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1102/2756/files/sonokuzor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/godikuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0076/5336/files/farobopijumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1698/5503/files/livetus.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e905.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE905 | 5348 bytes |
SHA-256: 262c195598ac1a98cbb048f02d3dc44981e7dfd5de130aeb2df2cceb1828cdba |
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font_01_sfnt_off0000fb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB44 | 15476 bytes |
SHA-256: 6175c611c54dc4f4573b10398b39d3287cb16dc1eb3b89e5d4cbe58aaed63a95 |
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font_02_sfnt_off00012b36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B36 | 16140 bytes |
SHA-256: 2998ba902476debafacfaad6f45403e44352055ee498314c2d3a56defa64a2ce |
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