MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One of these links, 'https://ttraff.ru/wb?keyword=german%20language%20study%20guide%20pdf', is flagged as a malicious redirector. This indicates the document is likely part of a phishing or malicious redirection scheme, aiming to lure users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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/wb?keyword=german%20language%20study%20guide%20pdf
- http://files.forestveterinaryclinic.com/uploads/1/3/0/7/130776089/edff0.pdf
- http://files.adyartcenter.com/uploads/1/3/1/8/131871690/fawakaw_wuwakumoxag_zexadiru_zajuw.pdf
- http://files.ivisionrealty.com/uploads/1/3/0/7/130775825/ee7e04e2a415.pdf
- http://files.cpccedu271.org/uploads/1/3/0/7/130775084/2055206.pdf
- http://files.chrislewisjonesartist.com/uploads/1/3/1/3/131384573/78ae51ecae8db.pdf
- https://cdn.shopify.com/s/files/1/0432/0700/0219/files/jolimebezatixowes.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54440827626.pdf
- https://cdn.shopify.com/s/files/1/0433/5153/9861/files/nirujozitawebikokijufix.pdf
- https://cdn.shopify.com/s/files/1/0448/4985/6669/files/36701386832.pdf
- https://cdn.shopify.com/s/files/1/0431/8553/7175/files/39637284506.pdf
- https://cdn.shopify.com/s/files/1/0431/3533/6616/files/32853761312.pdf
- https://cdn.shopify.com/s/files/1/0430/6717/9165/files/9518080242.pdf
- https://cdn.shopify.com/s/files/1/0435/1347/9320/files/gazawe.pdf
- https://cdn.shopify.com/s/files/1/0431/6558/1469/files/kolagogomodup.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a36.bin61c4c5c38ac06babfb43a33bd416c1ec1c629c41c89153b4657626f5cc3a0a18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A36 | 5496 bytes |
font_01_sfnt_off00007cd8.bina36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CD8 | 1800 bytes |
font_02_sfnt_off00008565.binb5134baf3d63383fc0cf445d471418da0aff925ae90bf19870ea182ee1124be4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8565 | 10016 bytes |
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