MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body, though heavily obfuscated, contains the URL that triggers the redirector, suggesting a lure for users seeking a specific PDF. The presence of numerous Shopify-hosted PDF links, some confirmed benign and others unknown, indicates a link farm strategy to improve search engine visibility 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/pify?keyword=oxford+picture+dictionary+pdf+free In PDF document text
- http://files.agentsreferralnetwork.com/uploads/1/3/1/4/131406843/jifekosuravuxatere.pdfIn PDF document text
- http://files.yscprosthodontics.com/uploads/1/3/2/7/132741339/3813034.pdfIn PDF document text
- http://zezef.cottonwoodcroft.com/uploads/1/3/0/7/130739415/edc5c2b010.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/1/0432/2649/7182/files/bevatevuroniv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5058/2684/files/neet_2020_answer_key_aakash_with_solution.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/42589056367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5253/1869/files/poxivaketifanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8211/3433/files/50862180091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7737/6936/files/kedubeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8613/5961/files/steven_universe_episode_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2112/2211/files/zalenulakelizisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1725/6603/files/gavusulupomab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0189/4296/files/candidiasis_intestinal_tratamiento_medico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3794/0117/files/electrical_and_thermal_conductivity_of_metals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2657/9610/files/assembler_tutorial_deutsch.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7211/9193/files/dadenizifirepusawonewara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1922/2687/files/sabuxometavomi.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B5 | 5136 bytes |
SHA-256: e803a73c451518e872e3956f87dd439821db1173e1032d12be42c6014d843031 |
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font_01_sfnt_off0000754b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x754B | 10672 bytes |
SHA-256: 245edb4b5a4f4c37d6af738369b468ec862e1d1f2d887bceec84cbc9c07af36f |
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font_02_sfnt_off000099f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99F9 | 16544 bytes |
SHA-256: 49230a07578f2a0b108554ff1d47b1cb24b8f8081254bad551c0ce72ea05e0a5 |
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