MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.club'. This indicates the document's primary purpose is to lure users to a potentially harmful external site. The document body is heavily obfuscated and appears to be generated content, further supporting a malicious intent rather than legitimate document sharing. No scripts were extracted, but the presence of the malicious URL is a strong indicator of a phishing or malware delivery attempt.
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.club/wix?keyword=sheeting+excavation+%25E4%25B8%25AD%25E6%2596%2587 In 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/1/0433/0687/7080/files/51851907441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2596/4949/files/80175138309.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9272/9246/files/anemia_perniciosa_scielo.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e32576_a702a4067a7043da98dbc530cb9a6d90.pdfIn PDF document text
- https://static.usrfiles.com/ugd/f390e7_7be7a22b0b444082b98e293706e066a2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/7e6083_11c892570e464af39c1ff6cf76f51345.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8ff694_5229803c694442c3801acb028840fbe5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_292e57e6f54449f19591ea43a18221a3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_beca9e4ba94f44a2b7e5625795313e4e.pdfIn PDF document text
- https://static.usrfiles.com/ugd/02beb7_03a277ac6daa41afacddefb541f98041.pdfIn PDF document text
- https://static.usrfiles.com/ugd/9e53d4_c87b88f742f94c168c20e30e18e06135.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_b7ff14640d1e4521a3cc30bfe1034d25.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e6092c_7d9d06db7be4483b982361e3102da5d2.pdfIn PDF document text
- https://static.usrfiles.com/ugd/83b1b3_46801d345c6445569b317920bc2357b6.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000092e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x92E8 | 3660 bytes |
SHA-256: 1c69a704548355bf27ecb74f8a705662fd0d8347fad32edc50cadd462ec95ea7 |
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font_01_sfnt_off00009fa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FA5 | 3112 bytes |
SHA-256: 1d91dc015e5f35b51cb2fd9920352be6dd5765c2aaf29a0402befc798b42a57d |
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font_02_sfnt_off0000aaab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAAB | 4988 bytes |
SHA-256: eda962d92514c2122433525bce9a04565ff88be4a96b40505af6cd918959a6dd |
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font_03_sfnt_off0000bbb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB8 | 14992 bytes |
SHA-256: 61fd0da1484e5c68fb7946c766f428f93354f82529543917ee085260317fe53d |
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font_04_sfnt_off0000ead8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAD8 | 16416 bytes |
SHA-256: cf96631f784379724622ae63351c9d35a5a19c08ac2d66cb149eb318896b45b9 |
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