MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with one identified as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a link-farming or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious redirector and the sheer volume of links point towards a malicious intent, likely to drive traffic to malicious infrastructure or for SEO abuse.
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=drawing+line+graph+free+worksheets
- http://mirijerir.sportsapparel4u.com/uploads/1/3/1/0/131070374/7767414.pdf
- http://files.michaelbrownslawoffice.com/uploads/1/3/1/4/131406762/xajixolaxexojobegu.pdf
- http://vijojov.singerfedun.com/uploads/1/3/1/3/131379510/2a41d1d3dbbf54.pdf
- http://nikaro.trivalleysir34.org/uploads/1/3/1/6/131606490/2007735.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/38409364336.pdf
- https://cdn.shopify.com/s/files/1/0431/1806/7876/files/65733584835.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0489/files/62488493239.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/ink_sac_pixelmon.pdf
- https://cdn.shopify.com/s/files/1/0438/3784/9762/files/17052806132.pdf
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/nogutefibuxeranuzalu.pdf
- https://cdn.shopify.com/s/files/1/0438/6373/6485/files/33659653395.pdf
- https://cdn.shopify.com/s/files/1/0431/3779/4204/files/wifi_signal_booster_app.pdf
- https://cdn.shopify.com/s/files/1/0439/9936/3222/files/akon_lonely_lyrics_video.pdf
- https://cdn.shopify.com/s/files/1/0429/8565/2375/files/piguxifuka.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.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_off00006d62.bin8e04d1a6c8b9e178314b050e4bc8c3208cc79fa4f474ce132be647663fb86331 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D62 | 5320 bytes |
font_01_sfnt_off00007f8a.bin9ace3a57e3e1e8d05ae48c4c4fd2d2a31f1c115f839b98560d6b929eda1e7527 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F8A | 10456 bytes |
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