MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure related to guitar chords. The presence of numerous external PDF links, many benign, suggests a link farm tactic. The ML classifier strongly indicates maliciousness.
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/wix?keyword=king+of+my+heart+bethel+music+guitar+chords
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_67e7acd4ca64447d8afb699521dc813a.pdf
- https://static.usrfiles.com/ugd/12f4eb_d43e2055b38b4f62ac9a79bdd019d274.pdf
- https://static.usrfiles.com/ugd/105a8c_34dd86aa89834801b41ad4f2ef9ecf81.pdf
- https://static.usrfiles.com/ugd/b8c837_20112825a67444488be804422d35c2d6.pdf
- https://cdn.shopify.com/s/files/1/0435/6630/1343/files/60528556857.pdf
- https://cdn.shopify.com/s/files/1/0429/6340/2905/files/39985234486.pdf
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/96228129556.pdf
- https://cdn.shopify.com/s/files/1/0433/4229/9295/files/59340492153.pdf
- https://cdn.shopify.com/s/files/1/0432/8371/0108/files/69760582781.pdf
- https://cdn.shopify.com/s/files/1/0437/8283/2280/files/access_bars.pdf
- https://cdn.shopify.com/s/files/1/0431/7229/8918/files/57568545562.pdf
- https://cdn.shopify.com/s/files/1/0430/9565/4564/files/57437176235.pdf
- https://cdn.shopify.com/s/files/1/0439/5941/9038/files/moment_of_inertia_formula.pdf
- https://cdn.shopify.com/s/files/1/0434/8212/0357/files/1500_color_mixing_recipes_for_oil_acrylic_watercolor.pdf
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/18847991577.pdf
- https://cdn.shopify.com/s/files/1/0429/4544/6044/files/sakofuf.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000477e.binf47cc23c2ac6a61a7ba265fd7fef8da6b49e952843e8aa4e6de87cd53b95426a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x477E | 5648 bytes |
font_01_sfnt_off00005a84.bin631191feb623cc28459a0424df5cb8517fcda46e58ab997c6ef38dcda789eb19 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A84 | 9888 bytes |
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