MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=download+dictionary+english+to+farsi+pdf'. Additionally, it exhibits a PDF link farm behavior, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily corrupted, contains fragments of the malicious URL and a call-to-action phrase, suggesting a social engineering lure to download a file.
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.ru/pify?keyword=download+dictionary+english+to+farsi+pdf In PDF document text
- http://files.ssc-life.com/uploads/1/3/1/8/131856170/7b78a.pdfIn PDF document text
- http://riwikuxe.allanmcintyrefineart.com/uploads/1/3/1/8/131871390/2795153.pdfIn PDF document text
- http://files.stpaulwp.org/uploads/1/3/1/1/131164176/wedunokafuveki.pdfIn PDF document text
- http://files.christianfellowshipind.org/uploads/1/3/1/4/131438604/sowerubatanatoti.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/1/0438/4089/7184/files/nonorurituv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2093/5590/files/55935119662.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6639/9647/files/resif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2795/4853/files/98987935474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6693/2902/files/62187070135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1690/4104/files/wipagigavaxise.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/64202766815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5479/1846/files/fabujuzijavubuxarirojol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6726/0576/files/oral_candidiasis_case_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1339/7913/files/28410762353.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2253/3276/files/velasuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/gutopenoxisominutajogal.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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 |
|---|---|---|---|
stream_006_off0000a7f7.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA7F7 | 25264 bytes |
SHA-256: 933670f76d9202ddcaf84da8d2cc42a2b21cc352ef7368eac3d3bc51d2091e83 |
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font_00_sfnt_off000071d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D0 | 5612 bytes |
SHA-256: 9bc69de65e4c2fc2f1f8e2d95f80f5e3acb769baa2fee77f3ee54116dfeeeb7f |
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font_01_sfnt_off00008507.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8507 | 10128 bytes |
SHA-256: 8f68ca111efe72091399cf4a4bb9e73e2915fb305b80bd0c166d77bfacdcee5e |
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