MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to ttraff.com. The document body also contains this URL, suggesting it is the primary lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify domains, likely to obscure the malicious redirector. The ML classifier strongly supports the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/pify?keyword=quantitative+aptitude+questions+tricks+to+solve+pdf In PDF document text
- http://vuneti.spice-topia.com/uploads/1/3/0/9/130969162/lomili.pdfIn PDF document text
- http://gegawok.artsmartmanila.com/uploads/1/3/2/6/132682156/fuwakunisojob-fifaduzijaluj-xogapabatade.pdfIn PDF document text
- http://nagusejes.majuridesign.com/uploads/1/3/1/6/131636725/siwipikawivofak_gafiv_ponol.pdfIn PDF document text
- http://files.kelownadolphins.com/uploads/1/3/2/3/132302858/wodiximebizerutasi.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/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/1/0431/4028/4577/files/bevejal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/xebes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1952/5534/files/47297786116.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4345/4119/files/ratio_decidendi_y_obiter_dictum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8974/0441/files/69568017853.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4311/0564/files/xss_filter_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/37590483823.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0128/1701/files/93488144247.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7140/6237/files/bitsat_syllabus_weightage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1328/1691/files/hemolytic_anemia_review.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5461/1102/files/antimicrobial_drugs_classification.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4157/8399/files/3d_artist.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_off000178c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178C9 | 1684 bytes |
SHA-256: 4d3fb6748bdbfc0676bbc246a341b567ec3707c335db72ae26270b639488ab50 |
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font_01_sfnt_off0001812d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1812D | 5460 bytes |
SHA-256: f450ae79bcf0d89871b63a38d7638b7c03b635487940a02acbca89b861073dac |
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font_02_sfnt_off000193d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x193D4 | 16528 bytes |
SHA-256: 4df0381fdb2af2bff78fe1057312fc32ff6bb3ece1dd658dfe0258ca248fbb1a |
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font_03_sfnt_off0001c74d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C74D | 16560 bytes |
SHA-256: 56790705e6bda7ac12991edadb348fb49d8e9ac4e8be17705d20ffc48932c188 |
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