MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one URL identified as a malicious redirector. The document body, though heavily obfuscated, contains the string 'Linkedin share url' and the malicious URL 'https://ttraff.ru/pify?keyword=linkedin+share+url'. This suggests a phishing lure related to LinkedIn, aiming to redirect users to malicious infrastructure. The presence of numerous PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=linkedin+share+url In PDF document text
- http://files.ministryofbaby.com/uploads/1/3/1/4/131438038/zugiretoxane_lufoz_sofosadofego.pdfIn PDF document text
- http://files.emiliafaro.com/uploads/1/3/1/3/131380786/livovodupadunejul.pdfIn PDF document text
- http://files.rosholtstingersyouthfootball.com/uploads/1/3/2/6/132695651/00af4.pdfIn PDF document text
- http://files.gatheringsthrift.com/uploads/1/3/1/4/131407818/478736.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/6118/2617/files/23378748542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/37278413385.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4677/9552/files/86864673834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9430/2117/files/78635160986.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6829/3287/files/99737097978.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5176/9247/files/todabobukumime.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4190/5045/files/50407160649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70838758317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/fajosoxigazomifelodu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8429/9936/files/kenshi_auto_haul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0423/0805/files/88094091283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9659/5870/files/filagivekitewowirupizeno.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E97 | 4612 bytes |
SHA-256: afb1c950fbf9e2c0995a5ede8e2e83e2c28f86e4cb8145c5fbdc69c6df4c2534 |
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font_01_sfnt_off00007e1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E1B | 10872 bytes |
SHA-256: 58b61ea3f127c7f0835c608fe4f149d693edb4c6c0373781bd41ffe82ace080c |
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font_02_sfnt_off0000a33a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA33A | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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