MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to 'user acceptance testing checklist template' and a URL that redirects to malicious infrastructure. The presence of a large number of external PDF links suggests a link farm or SEO poisoning 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.cc/wix?keyword=user+acceptance+testing+checklist+template
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9002/7430/files/sogefiwujufidezisiwonaduj.pdf
- https://cdn.shopify.com/s/files/1/0431/5653/7493/files/6507315407.pdf
- https://cdn.shopify.com/s/files/1/0431/4782/1212/files/tnpsc_current_affairs_february_2020_in_english.pdf
- https://cdn.shopify.com/s/files/1/0438/5705/1808/files/segment_addition_postulate_quiz.pdf
- https://cdn.shopify.com/s/files/1/0461/4268/5337/files/business_development_case_study.pdf
- https://cdn.shopify.com/s/files/1/0431/3363/2661/files/melanie_collins_nfl_reporter.pdf
- https://cdn.shopify.com/s/files/1/0431/5840/5276/files/60725617313.pdf
- https://static.usrfiles.com/ugd/850f07_67a3658707f34939b6ccfbd2e189d94b.pdf
- https://static.usrfiles.com/ugd/4d6844_df9320a9caf649038c51559fd6f3ab09.pdf
- https://static.usrfiles.com/ugd/b8c837_1b8d0798de2a4789a4b0b27ac73622b5.pdf
- https://cdn.shopify.com/s/files/1/0431/8894/5064/files/topawegojox.pdf
- https://cdn.shopify.com/s/files/1/0432/1669/9553/files/dawiwal.pdf
- https://cdn.shopify.com/s/files/1/0428/3020/0991/files/13070951994.pdf
- https://cdn.shopify.com/s/files/1/0431/2730/8454/files/39200240987.pdf
- https://cdn.shopify.com/s/files/1/0437/6385/9610/files/vuzaviminubagobi.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_off000060fa.bine075a0323321ea99c5c6240f5cac05671da8c570c2ed1fd50e77b9978ac5f6b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60FA | 5404 bytes |
font_01_sfnt_off00007334.bin073549798a3c9a4517dc567f0dd0d3f3514671583f4a7aef2d3476c4e4d3e5a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7334 | 10112 bytes |
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