MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or redirection scheme. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=telugu+devotional+books+pdf+free'. The document body, though heavily obfuscated, also contains this URL, indicating an attempt to lure users to a malicious site under the guise of providing free devotional books.
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.ru/pify?keyword=telugu+devotional+books+pdf+free In PDF document text
- http://gibevevid.pumpernickelpictures.com/uploads/1/3/0/8/130813765/buduzatawexisuxunina.pdfIn PDF document text
- http://dobopi.ditcheatchurch.org/uploads/1/3/1/6/131606289/nawabejerirok_xiverej_zogoworoz_nojuz.pdfIn PDF document text
- http://files.usk9.com/uploads/1/3/0/8/130874257/tuxefuf_wefunipudul_sapepebexilojup.pdfIn PDF document text
- http://files.shopvcboutique.com/uploads/1/3/1/0/131070911/10408c1b.pdfIn PDF document text
- http://rijuwa.frapanella.com/uploads/1/3/1/4/131407711/88b5bc9e.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3113/4365/files/98589958150.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8438/9275/files/pivimesubudebinetifasoto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fixasitisajixumazurezeve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4901/5713/files/81885166045.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3533/6616/files/vazenotinatizepemorifafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0342/9535/files/.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2559/6573/files/42343570707.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3620/5479/files/resize_file.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7337/1288/files/browser_detection_javascript.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4765/5323/files/36359457109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6158/2755/files/68441361242.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_off00005ee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EE9 | 5420 bytes |
SHA-256: 9ca2f20673658ae8a028420ba50a0335fb9bb5a6400ff9121671b38f35575bd4 |
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font_01_sfnt_off00007167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7167 | 7384 bytes |
SHA-256: a584cdacc9a391aee83b58d1bbd870595c75856c115a57bdcabdd6c98af6298c |
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font_02_sfnt_off0000883b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x883B | 12268 bytes |
SHA-256: ca05531b1af498e519b4bf1f21762d02ceda7d069607bd65b1678cc8bf9f7530 |
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