MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, ttraff.ru, which is designed to lead users to further malicious content. The document body, though obfuscated, includes this URL and suggests a lure related to 'cross reference sheet definition'. The presence of numerous external PDF links, many hosted on Shopify, indicates a potential link farm or SEO manipulation tactic to distribute malicious 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/pify?keyword=cross+reference+sheet+definition
- http://files.hawknews.org/uploads/1/3/1/1/131164488/9474988.pdf
- http://tedenom.solsticehavanese.com/uploads/1/3/1/3/131383297/kepobelemefi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0439/3422/0456/files/75205968985.pdf
- https://cdn.shopify.com/s/files/1/0437/0202/6393/files/46386148884.pdf
- https://cdn.shopify.com/s/files/1/0433/0569/7438/files/sidanajijexatajerolinonu.pdf
- https://cdn.shopify.com/s/files/1/0434/3355/8168/files/22386452851.pdf
- https://cdn.shopify.com/s/files/1/0430/8716/7645/files/analytical_chemistry_skoog_book.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/varanomavumozomadeda.pdf
- https://cdn.shopify.com/s/files/1/0432/5448/1056/files/android_studio_generate_apk_for_testing.pdf
- https://cdn.shopify.com/s/files/1/0433/4885/2894/files/60444534641.pdf
- https://cdn.shopify.com/s/files/1/0430/1121/1425/files/bodyweight_crossfit_workouts.pdf
- https://cdn.shopify.com/s/files/1/0432/7381/4172/files/91212918304.pdf
- https://cdn.shopify.com/s/files/1/0438/9725/8136/files/bijogunu.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005a3c.bin6f4b568ce8616f5bdce55ddd20968c4ddd9e4e44377518804508aa7ce6048316 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A3C | 4680 bytes |
font_01_sfnt_off00006a15.binab0782812f3a3f27923f8b38de82073f880009084e20b2d401cadaf60f31af21 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A15 | 10764 bytes |
font_02_sfnt_off00008e5f.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E5F | 4324 bytes |
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