MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains a lure suggesting it is an application form, but it embeds links to a redirector service (ttraff.com) which is flagged as malicious. The document also contains a large number of links to other PDFs, likely for SEO manipulation or to host further malicious content. The ML classifier strongly indicates maliciousness, and the 'Browser extension / update installation lure' heuristic suggests a social engineering tactic to trick the user into downloading further malware or providing credentials.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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.com/pify?keyword=caste+validity+application+form+marathi+pdf In PDF document text
- http://files.defense-elec-corp.com/uploads/1/3/0/7/130739926/tebaxelewasovub.pdfIn PDF document text
- http://kojivan.scsoaventura.com/uploads/1/3/0/7/130739777/8557193.pdfIn PDF document text
- http://files.paxonphysics.com/uploads/1/3/1/6/131637635/lufiverobanolofax.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/1/0434/1936/9639/files/fusionner_2_en_un_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7313/2954/files/wobazedexajusetegemidi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6413/0725/files/facebook_code_hack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0306/8068/files/givozunofaderapijin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2788/9303/files/40787670311.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0293/6992/files/fikaxojebube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6980/9575/files/94539773550.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8406/9526/files/problem_solving_and_selected_topics_in_number_theory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1810/0637/files/85498386158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0952/1317/files/20424279562.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5126/1853/files/91915783131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51982080438.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_off00005f20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F20 | 5460 bytes |
SHA-256: 3b53fd66bfd41848fde019721887bdcea19d2fdd07153fb31ced6d1398863133 |
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font_01_sfnt_off00007193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7193 | 10636 bytes |
SHA-256: d4de3912e9ffcce248c7fec1966dd33996d275d3253775ce9c62536dbc383e60 |
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