MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=api+testing+manual+test+cases'. The document body, though heavily obfuscated, appears to contain this URL and text related to 'api testing manual test cases', suggesting a lure. The file also exhibits characteristics of a link farm, with numerous embedded links to external PDFs, likely to improve search engine ranking for malicious content.
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/wix?keyword=api+testing+manual+test+cases In PDF document text
- https://scrolltest.com/api/day24����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/1/0428/9105/1161/files/66889252377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6381/3020/files/bawonirujegijikelixas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9536/7585/files/xaridifepajijisofexafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2661/2378/files/64972157422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1042/4993/files/11837430491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4015/2479/files/wagitirodekotusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7805/7122/files/76308057754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5743/0176/files/sewowogo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4550/2626/files/sims_4_beard_cc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0277/3156/files/42814509609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5221/2130/files/thalapakattu_mutton_biryani_recipe_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2553/6936/files/agni_kai_soundtrack.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e32576_de535e864f3548aa8fdf1add6dc5a050.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8bc2a6_1ef2020d4d6f4376a3e82ffe865a9208.pdfIn PDF document text
- https://static.usrfiles.com/ugd/704566_e7bb5b1092fd4730aed64103f2beb8e6.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_off0001339c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339C | 5144 bytes |
SHA-256: 530cad6ad19a53f20f7a21433c96a117fc98f147189afb96d06653c38fe84d21 |
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font_01_sfnt_off00014508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14508 | 2252 bytes |
SHA-256: a6a8686b8fb15c9717d15c6992f5cb6599fab98c9eb18a738509255b94a7d84e |
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font_02_sfnt_off00014f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F48 | 16388 bytes |
SHA-256: fddd5b67793568984e0154b7afb10c54a6394af25e83b2aecf762ea5ff55055f |
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font_03_sfnt_off0001824b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1824B | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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