MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which likely serves as a gateway to further malicious content. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The presence of numerous links, including one to a malicious redirector, indicates a link farm or redirection attack designed to lead users to harmful sites.
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=characteristics+of+descriptive+research+pdf In PDF document text
- http://files.skyfieldtropical.org/uploads/1/3/0/9/130969305/8258250.pdfIn PDF document text
- http://taponiko.richmondblackwidows.com/uploads/1/3/0/7/130775732/vabatadem-kikute-lekidedizakel-tilamenupezuzez.pdfIn PDF document text
- http://files.brittanyprimavera.com/uploads/1/3/1/8/131857315/559036.pdfIn PDF document text
- http://files.redshift-consulting.com/uploads/1/3/1/1/131163969/mufulebarasebos-kepefigoxigon-rikuvali-rawajurefe.pdfIn PDF document text
- http://files.trebellasdance.com/uploads/1/3/2/6/132696330/tedoxoletutam.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/1/0440/5015/3622/files/59369133844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vatajimawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7152/0411/files/jekerisujad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3879/4147/files/black_box_unicode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3056/1436/files/surigogukeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5131/0486/files/51553776176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1667/4713/files/79594238000.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5783/9254/files/texewanuvumexarope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1034/2564/files/viluserid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5196/6873/files/16394626427.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4226/5498/files/tovevugugarikexiwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3258/9989/files/jadadokiletuti.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_off00006fe2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FE2 | 5176 bytes |
SHA-256: a393ddd29b68e81d9d942c0fe3337c631010fdc71b51d8e5f7601d058dbdc29f |
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font_01_sfnt_off0000817b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x817B | 9988 bytes |
SHA-256: 2dd0e9d0a241cb291fd5a6ad7d28e56c1ec8a1424dd74af82f9cd3b2760c282f |
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