MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a lure related to 'Tatkal train ticket booking form' and embeds multiple links. One critical heuristic indicates the PDF links to known malicious redirector infrastructure, specifically `https://ttraff.ru/wix?keyword=tatkal+train+ticket+booking+form`. Another heuristic identifies a PDF link farm, with many links pointing to `static.usrfiles.com`. The presence of a payment redirection lure suggests a business-email-compromise pattern, aiming to trick users into clicking the malicious link.
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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/wix?keyword=tatkal+train+ticket+booking+form In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static.usrfiles.com/ugd/ee6770_11b5ca807e4144b1be46fae0538c732d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d3758e_e6d636bc77494df18feefa11fef6134d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_13f261257c5043a58472f0bb93139fd5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e7e4a0_486671b5b3df4bcb8795cb3b8a5f5c84.pdfIn PDF document text
- https://static.usrfiles.com/ugd/a474dd_73804f01c82947e1b1bf7d8bc566fd65.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5188/4445/files/darama.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41557636134.pdfIn PDF document text
- https://static.usrfiles.com/ugd/f3ecbe_78266cf41d2d46ff9c0a793faaa92bce.pdfIn PDF document text
- https://static.usrfiles.com/ugd/269bb8_7bd2da2289ac4b0087376bb3c166b00c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e2b09b_fe64c2cd29bb4c8f952ea97513e65b7a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b42fd6_655c67bcc2e74387ac18bf25bdf52169.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ceb2e8_165323a62bde411e99ba1f5c6e21947f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_fef08631cb184895a3de57d13cc79efe.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0a468_0d469237e282444491b327923a3eaac8.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_off00013c15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C15 | 5176 bytes |
SHA-256: 00fdd073462174d11f3c8b0556466081fb8f0db8af2a34e1fe741faaea03a95f |
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font_01_sfnt_off00014dab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DAB | 10908 bytes |
SHA-256: b35af10f014293f795a13ed81230aeb7a850f20f9c07698afb4fdd4923fe2a39 |
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font_02_sfnt_off0001731b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1731B | 16388 bytes |
SHA-256: 0c82561ead172ac0e51412abe629b5944d5f81f469066018c017fef234fe4ba7 |
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