MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) that is associated with malicious activity. The document body, though heavily obfuscated, contains a URL that matches the redirector, suggesting a lure for users to click on malicious links. The presence of a remote-support tool lure heuristic further indicates a potential phishing or social engineering attempt.
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=interview+questions+and+answers+in+english+images In PDF document text
- http://zelon.missanoble.com/uploads/1/3/1/4/131406686/7a3a97350c50ef.pdfIn PDF document text
- http://files.quintetbenefice.com/uploads/1/3/1/4/131409090/edb2bef6c57.pdfIn PDF document text
- http://files.sensenet-project.org/uploads/1/3/1/4/131452750/maxugipigulogu-gesizikozu-powulof-xujomuj.pdfIn PDF document text
- http://files.shearserenitysalon.com/uploads/1/3/1/3/131383553/53b9878d6b0f11.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/1/0437/3613/7882/files/complex_sentence_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9131/9200/files/tirumukumapunovizidajuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5225/3863/files/vastu_shastra_books_in_bengali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/fundamentals_of_python_first_programs_lambert.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3988/2402/files/between_the_sheets_manga_chapter_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7526/4919/files/zusiwoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4317/7126/files/jujidaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/2826/3591/files/24134494332.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9506/4730/files/upper_limb_bd_chaurasia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9993/8211/files/routing_algorithms_in_computer_networks_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2253/8136/files/junijokiduravebuza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8230/1094/files/goldman_s_cecil_medicine_twenty_fourth_edition.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_off00007ce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE7 | 5452 bytes |
SHA-256: 2e2c447baf56f090101e0384cea2c30c09fc19cc7c3f037efc944c5720a337db |
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font_01_sfnt_off00008f51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F51 | 9536 bytes |
SHA-256: b64722d1a772bf782a8073d15c4c665f568005b8872e28c7722d9000cc6b6f38 |
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