MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.cc, which is disguised as a worksheet. This indicates a phishing or malware distribution attempt. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to obscure the malicious redirector. The ML classifier strongly flagged this PDF as malicious.
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.cc/wix?keyword=rationalizing+radical+expressions+worksheet
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8070/3382/files/daxuxejedazuwewopakivamak.pdf
- https://cdn.shopify.com/s/files/1/0439/1642/7419/files/bolixezusebirulazuwig.pdf
- https://cdn.shopify.com/s/files/1/0432/7938/4731/files/damuw.pdf
- https://cdn.shopify.com/s/files/1/0432/0736/0667/files/avatar_comics_imbalance.pdf
- https://cdn.shopify.com/s/files/1/0436/6827/5353/files/29952994699.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/ruzamebetozinol.pdf
- https://static.usrfiles.com/ugd/fb83f1_71c9b285437549ada3784206e44141d2.pdf
- https://static.usrfiles.com/ugd/b8c837_a069e590c199413ba56d35450666b219.pdf
- https://static.usrfiles.com/ugd/b50c55_13eebfe397cc46629710542af0c45b9e.pdf
- https://static.usrfiles.com/ugd/96768c_3dc824ba21ca48d990375e043923b099.pdf
- https://static.usrfiles.com/ugd/b8c837_96fc0f23e4144a17826ac6aca3cbee9b.pdf
- https://static.usrfiles.com/ugd/daca0d_602adb64d1bd40a2a5d8f34d2de2eb62.pdf
- https://static.usrfiles.com/ugd/8b97dd_2f55c79a85c14677987523d551b3fe17.pdf
- https://static.usrfiles.com/ugd/7e0eb0_c85a6d589e1c44fdb40bf79424c0556a.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_off0000610b.bin71fe92b51243a731c1e12de1dc0ebe5a6cb90701530627923bfe1fdbe892ce81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x610B | 5616 bytes |
font_01_sfnt_off00007449.bin4cd001b4c2c3d1e04af7dd57b9a4688dcf9cb0d6ab63b2fd50546ba7a5886ce4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7449 | 9932 bytes |
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