MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious due to its inclusion of a link to a known malicious redirector, ttraff.ru, disguised as a "Briggs and Stratton owners manual". The document also contains a large number of links to other PDFs, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a phishing or redirection attempt.
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=briggs+and+stratton+owners+manual
- http://files.huntsvillemilitaryband.com/uploads/1/3/0/7/130776225/7aa31dab.pdf
- http://files.kimberlycommunityband.org/uploads/1/3/0/7/130739004/6555479.pdf
- http://files.jenkeyte.com/uploads/1/3/1/4/131438692/4254917.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/4718/8640/files/pisamufote.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9639/files/laruw.pdf
- https://cdn.shopify.com/s/files/1/0431/6417/2445/files/74811109960.pdf
- https://cdn.shopify.com/s/files/1/0435/4395/3567/files/77266634888.pdf
- https://cdn.shopify.com/s/files/1/0438/9715/9832/files/41131946098.pdf
- https://cdn.shopify.com/s/files/1/0429/6825/2565/files/kubakufupagakexabuzeb.pdf
- https://cdn.shopify.com/s/files/1/0437/2873/2314/files/fixurinunumevamuwifuxu.pdf
- https://cdn.shopify.com/s/files/1/0433/4977/0395/files/95791137824.pdf
- https://cdn.shopify.com/s/files/1/0427/8976/5276/files/20113743088.pdf
- https://cdn.shopify.com/s/files/1/0428/3262/5831/files/my_teacher_ate_my_homework.pdf
- https://cdn.shopify.com/s/files/1/0434/1848/4888/files/wuwosutokirevumakak.pdf
- https://cdn.shopify.com/s/files/1/0436/5680/6565/files/14980729414.pdf
- https://cdn.shopify.com/s/files/1/0434/8697/0018/files/vejemapudutazofesonojowu.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_off00005cf7.bin1d38ea45267b696b972cccd5673db8ffa0dde47615c191725be5eaa2c2089f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CF7 | 5288 bytes |
font_01_sfnt_off00006eed.bineb87940f4f560030468b72fa35e6d9ad7855198df269abcf9a9013cf98babe7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EED | 9796 bytes |
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