MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one critical link pointing to known malicious redirector infrastructure. The document body, though heavily obfuscated, includes text suggesting a lure for 'Deloitte aptitude test questions and answers pdf'. The presence of multiple SEO-optimized PDF links further indicates a phishing or scam attempt, likely to download a malicious payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.ru/pify?keyword=deloitte+aptitude+test+questions+and+answers+pdf In PDF document text
- http://files.christineleunens.com/uploads/1/3/1/3/131398195/vuxezakanu_belope.pdfIn PDF document text
- http://kefad.yourprojectupdates.com/uploads/1/3/0/8/130813747/lozup.pdfIn PDF document text
- http://files.artglassforumny.org/uploads/1/3/0/7/130740264/vizivitifazinamezi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/1070/9915/files/physics_lab_manual_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4624/8358/files/95342646812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8850/3203/files/kibanigufoluwuzeni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7682/0890/files/32859735901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3497/6149/files/94993131829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/22271122494.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7426/3963/files/jivewokepapumonekup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0413/3525/files/34866295388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6205/9427/files/85997998940.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6874/9979/files/29094459447.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7176 | 5136 bytes |
SHA-256: fd257c77bb51d57ee6f8abf778d60198fcedf27253eb0f73e9fb8fa8bfe8bf7b |
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font_01_sfnt_off00008303.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8303 | 10356 bytes |
SHA-256: 8ae6aa7c24d7301689c36f99c4994b6942882bff6c112b35a1e7b0493cc4071f |
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font_02_sfnt_off0000a629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA629 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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