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, specifically `https://ttraff.cc/wb?keyword=ts%20rythu%20bandhu%20application%20form%20pdf`. This link is presented within the document body, disguised as an application form. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded URLs pointing to external resources, many of which are hosted on `cdn.shopify.com`. While some of these Shopify links are benign, the presence of the malicious redirector indicates a clear intent to direct users to harmful content.
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/wb?keyword=ts%20rythu%20bandhu%20application%20form%20pdf In PDF document text
- http://files.stjamescheboygan.org/uploads/1/3/0/9/130969231/gosowodefaso.pdfIn PDF document text
- http://files.childrenssunflowerhouse.net/uploads/1/3/1/4/131453645/verifamipox.pdfIn PDF document text
- http://files.omnifensive.com/uploads/1/3/1/4/131407802/pewotukavizuruk.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/1/0430/6488/5402/files/77849273122.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9827/4978/files/fundamentals_of_computer_networking_and_internetworking.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6978/3720/files/cfrp_material_properties.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8151/8494/files/athlean_x_arm_workout.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6903/1078/files/gomoxafifakezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1322/6143/files/28135572163.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7617/3472/files/58663534328.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4460/8932/files/semukepesuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6989/8903/files/nikoturuviva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1813/3405/files/96250584950.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7932/0220/files/microsoft_system_administrator_interview_questions_and_answers.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000681e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x681E | 5588 bytes |
SHA-256: 7f9b7a843b940e90ac4a7a32ce48e3f805b7609f99d2e75525e5b036124008ce |
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font_01_sfnt_off00007ae5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AE5 | 10548 bytes |
SHA-256: c102ceeecae0d4185dd56ce488fb04ca626a506cc21f5dec988292815d7ae1f6 |
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font_02_sfnt_off00009efa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EFA | 16164 bytes |
SHA-256: 0d7a92828fb34c46272def7401d297891c72c028a4bdfa4d2814ce18bde6b281 |
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font_03_sfnt_off0000b44c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB44C | 4660 bytes |
SHA-256: 9a8379228c1e29ae654d560b6eed0e1c484b86427d2c80eeb23994ee8a3540f6 |
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