MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'Katolight generators manual' and the malicious URL, suggesting a lure. The presence of numerous embedded links, many pointing to Shopify domains, indicates a link farm strategy, likely to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=katolight+generators+manual In PDF document text
- http://files.bartlettyearbook.com/uploads/1/3/1/4/131482946/842436.pdfIn PDF document text
- http://files.btrevents.com/uploads/1/3/1/6/131606491/8275475.pdfIn PDF document text
- http://files.dogcatbird.net/uploads/1/3/1/3/131380627/jiwokajaxajo.pdfIn PDF document text
- http:///\\\/twitter.com\\\/GeneratorsDirec\,\icon\:\icon-twitter\,\title\:\Twitter\},\Pinterest\In PDF document text
- http:///\\\/pinterest.com\\\/generatorsdirec\\\/\,\icon\:\icon-pinterest\,\title\:\Pinterest\},\YouTube\:{\href\:\https:\\\/\\\/www.youtube.com\\\/user\\\/ElectricGenerators\\\/\,\icon\:\icon-youtube\,\title\:\YouTube\},\Instagram\:{\href\:\https:\\\/\\\/www.instagram.com\\\/powerequipmentdirect\\\/\,\icon\:\icon-instagram\,\title\:\Instagram\},\LinkedIn\In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/gifibis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4146/2174/files/aci_318-_14_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2754/5755/files/ximuvosup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3113/4365/files/86051702719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lasuzopaxikabade.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/90450503184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0223/1971/files/3d_mohr_s_circle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0300/2523/files/24001689123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1062/9532/files/navixepokexumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6356/5727/files/gakemidodenotegerojula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0956/4064/files/snake_game_source_code.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8113/0394/files/22401285232.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9633 | 5068 bytes |
SHA-256: 0c0ddc9694f18b606b434a0900f7c82e6358b44f6c91d6fc8dfaa4700fcdca3d |
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font_01_sfnt_off0000a748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA748 | 15040 bytes |
SHA-256: 99a875c1e25c49cd0ac2e0a5f4db79b52b7486231b9683aa2658db5a6d8b0f49 |
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