MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a social engineering lure, instructing the user to install a browser extension or update to view content. It also contains a link to a redirector service, 'ttraff.com', which is flagged as malicious. The document body itself contains obfuscated text and a URL that appears to be part of the lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used to improve search engine ranking for malicious 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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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=upsc+cds+ota+syllabus+pdf In PDF document text
- http://bumip.escottdesigner.com/uploads/1/3/1/4/131453494/2558726.pdfIn PDF document text
- http://vififo.theyogapathonline.com/uploads/1/3/1/3/131383544/3904113.pdfIn PDF document text
- http://files.johnwtroutman.com/uploads/1/3/1/4/131453214/famitusilabuwo.pdfIn PDF document text
- http://files.winchesterroadanimalhospital.com/uploads/1/3/1/4/131454034/pebenanon.pdfIn PDF document text
- http://luvetuk.monicaburtonyoga.com/uploads/1/3/1/4/131409090/479252.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/1/0431/1423/4017/files/gapitegeku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/92212523395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6246/8516/files/23451591423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/makalah_askep_atresia_ani_pada_anak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9502/4023/files/tamana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2155/0247/files/selipedipumejig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6141/8913/files/bibivanojafadekobezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3145/3081/files/25382702399.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4007/9005/files/47123503680.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3863/6192/files/happy_birthday_to_you_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7300/2906/files/givux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8360/3876/files/pibepidoxales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xozujegemuzudileruzodedus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9999/4789/files/emu4ios_weebly_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5780/6488/files/mogafevoturexus.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_off000073b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73B8 | 5284 bytes |
SHA-256: 0af59cb90f4292a21d68bfeece7c305fbf828e2fe89982eb4508701516921efa |
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font_01_sfnt_off000085cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85CF | 15224 bytes |
SHA-256: 73e98f0af4c19431aef7432e17404ce2fea7c8574c0ab466f8d64826b16e9e7d |
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