MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This indicates the document is designed to redirect users to potentially harmful sites. Additionally, another critical heuristic identified a PDF link farm, suggesting an attempt to artificially inflate search engine rankings or distribute links. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, further supporting the link-based attack vector.
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.com/wb?keyword=database%20analysis%20pdf In PDF document text
- http://files.haydencanoepole.com/uploads/1/3/0/7/130776327/84444.pdfIn PDF document text
- http://files.ryanchrisbartlett.com/uploads/1/3/1/6/131606128/lefuvufulevub_xiwodasosuteri_fusubi_zojewewiwip.pdfIn PDF document text
- http://files.binghamtonrooted.org/uploads/1/3/1/0/131070895/xejepaloferexivi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vudilofifo.files.wordpress.com/2020/07/32759010246.pdfIn PDF document text
- https://vofufogufi.files.wordpress.com/2020/06/wopidewagovuwuj.pdfIn PDF document text
- https://gufamazujudu.files.wordpress.com/2020/07/xofezusubufonapabe.pdfIn PDF document text
- https://bofajif.files.wordpress.com/2020/06/3688600161.pdfIn PDF document text
- https://sazexaki.files.wordpress.com/2020/06/59233936987.pdfIn PDF document text
- https://zexosutu.files.wordpress.com/2020/06/dofuj.pdfIn PDF document text
- https://dafaxekitupu.files.wordpress.com/2020/07/57047238332.pdfIn PDF document text
- https://dasiwizuno.files.wordpress.com/2020/07/84260159560.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3173/2125/files/46782224922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/93209498300.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pobilimej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46506788711.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/75728909656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4470/9276/files/69865418881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1382/3909/files/74274749879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xutowoterefabobenovise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5144/9496/files/31731180116.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017343.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17343 | 4856 bytes |
SHA-256: db5bc930c9de52e1f6020383b57b0858642a2819c383139c49dbe26a726fb153 |
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font_01_sfnt_off000183d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x183D4 | 11896 bytes |
SHA-256: ff7b82abebb84f61a5686eef53d97a73f0e7085c7e3803e077be0b882f880232 |
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