MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, including a critical finding for a PDF redirector link. The document body, though heavily obfuscated, contains text related to 'Himalayan university bsc mlt syllabus pdf' and a URL that appears to be a lure. The embedded links, particularly the one to 'ttraff.cc', are flagged as malicious redirectors, suggesting the document's primary purpose is to redirect users to potentially harmful content or downloads.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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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.cc/pify?keyword=himalayan+university+bsc+mlt+syllabus+pdf In PDF document text
- http://files.brittpixphotography.com/uploads/1/3/0/8/130813577/wefonigebotug.pdfIn PDF document text
- http://files.brunnerfarm.net/uploads/1/3/1/4/131437683/mevekixujaso-ximefumujop-puvunolegaxojit-nunusa.pdfIn PDF document text
- http://files.richardbogle.com/uploads/1/3/1/6/131637169/pedugofegazesuk_wuduluketaza_wuzuvow.pdfIn PDF document text
- http://files.yael-levy.com/uploads/1/3/0/9/130969403/zisikabo.pdfIn PDF document text
- http://files.olsyouth.com/uploads/1/3/0/7/130775368/netitogivuza.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/1/0435/2655/3755/files/zenixepemenef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1470/9663/files/sebugiwinavivinebirim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1841/2451/files/blaze_of_eventide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/53702856867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/75379708296.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6418/0390/files/95844707932.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2349/0457/files/tuviburor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5725/0455/files/2123799434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/dozitumomirumemir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4896/0151/files/17342641612.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6592/3997/files/97600061669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/countdown_timer_9_minutes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5371/9453/files/33390753642.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_off00006c74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C74 | 5564 bytes |
SHA-256: 3e9d18c7e610b6891692dc3301667067fef86437c328d0f1d03cbb108f8cdda4 |
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font_01_sfnt_off00007f48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F48 | 10072 bytes |
SHA-256: 236ed94b4ee3f91a82147a28324726c8583bd56469cfa13ab6cfdc8edbd81c34 |
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