MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded links, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting an attempt to manipulate search engine results or distribute content from various sources. The primary malicious URL identified is https://ttraff.ru/pify?keyword=oreiller+orthop%25C3%25A9dique+%25C3%25A0+m%25C3%25A9moire+de+forme, which is flagged as a malicious redirector. The document body, though partially corrupted, contains text related to orthopedic pillows and mentions wkhtmltopdf, indicating it was likely generated by a tool rather than authored directly. No scripts were extracted from this sample.
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/pify?keyword=oreiller+orthop%25C3%25A9dique+%25C3%25A0+m%25C3%25A9moire+de+forme In PDF document text
- http://files.elmbankrabbitboarding.com/uploads/1/3/1/4/131437660/pafoxeku.pdfIn PDF document text
- http://files.funnyfarmanimalsanctuary.org/uploads/1/3/0/9/130969873/vugorozuzomalomowo.pdfIn PDF document text
- http://files.fcband.org/uploads/1/3/0/7/130775511/6598971.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/1/0431/9150/0961/files/advantage_and_disadvantage_of_internet_essay.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0681/9493/files/fugim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1885/2264/files/jefisukuwoluta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8380/9447/files/78213390247.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2589/9421/files/xobirejapitimarudofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1724/6632/files/leruwolaxopo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/how_to_create_a_subset_in_r.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4655/8106/files/joxupisasawuzetifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5093/3143/files/80432416425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4586/9985/files/63272937800.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7978/9733/files/mental_ability_test_ustet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2266/1278/files/60672580512.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4614/2114/files/maury_lie_detector_meme.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB4 | 5424 bytes |
SHA-256: bc2281d609f3504521c898a61be049c66063da1201edaa62d072b8d013f1e3d4 |
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font_01_sfnt_off000091b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91B1 | 2668 bytes |
SHA-256: efe964cc7e614d2a8020c48da1521d877f71037abc3c21c9d457be55334e1105 |
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font_02_sfnt_off00009d61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D61 | 12076 bytes |
SHA-256: e5a4d38e75150f0a3765c007e7f2ad52f7531829f2fb10be8d36dbcfeb811f90 |
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font_03_sfnt_off0000c371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC371 | 16344 bytes |
SHA-256: f3b95f1269985bafc3dfb9b5b35e76df8a4d57039a143c013aed99c7cf3a4a89 |
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