MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains the same malicious URL and a list of benign-looking Shopify URLs, likely to appear legitimate. This suggests a phishing or scam attempt to redirect users to malicious infrastructure.
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/pify?keyword=practical+mathematical+optimization+pdf In PDF document text
- http://files.trudietrewin.com/uploads/1/3/0/7/130775730/xurof.pdfIn PDF document text
- http://files.beccarothfeld.com/uploads/1/3/0/8/130874326/20e7cfe6.pdfIn PDF document text
- http://files.beyondletterpress.com/uploads/1/3/1/4/131407406/dugorabiwosig_mukabadixamed_jadex.pdfIn PDF document text
- http://files.mwri.co/uploads/1/3/1/4/131437983/c7cf21e3cf3562.pdfIn PDF document text
- http://files.guybedfordleather.com/uploads/1/3/1/4/131407493/2264285.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/1/0437/6150/0309/files/86806736435.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0290/4222/files/android_app_inventor_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3747/4466/files/desastre_de_chernobyl_resumen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2630/0575/files/tikomotovenegekowixobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8275/1893/files/6262615377.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9869/3022/files/stet_bihar_previous_year_question_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/bupovik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4937/7174/files/kikewusuvipolifamuxapem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9306/5877/files/lagajowup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8239/0431/files/cable_tie_sizes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0807/1576/files/anatomy_and_physiology_for_nurses_roger_watson.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9661/2768/files/tigomepiviveteziv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8976/5279/files/kujake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/cock_and_ball_torture_pornhub.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_off00004f49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F49 | 5268 bytes |
SHA-256: 30fbe18905e20427b7564ba815702a338ee151297acea9f15f867b7dfec45536 |
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font_01_sfnt_off00006106.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6106 | 9312 bytes |
SHA-256: f871b420c94760fceb253389ef4865d0e65ce29a0cbff27fd843c8affb317cc3 |
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