MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, disguised as a link to "Berserk manga online pdf". The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or redirection strategy to obscure the final malicious destination.
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=berserk+manga+online+pdf In PDF document text
- http://files.hawkecreations.online/uploads/1/3/0/8/130814874/jemifizolo_lolexabudoga.pdfIn PDF document text
- http://files.kefashion.online/uploads/1/3/1/4/131437880/pifumuvavevep.pdfIn PDF document text
- http://files.willowpath.com/uploads/1/3/1/4/131408502/0e95ec777b35b7.pdfIn PDF document text
- http://files.deshazogroup.com/uploads/1/3/1/3/131383982/4112505.pdfIn 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/1/0436/4628/8025/files/30088193865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5041/8847/files/gatujebimul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0512/3493/files/gilunofizetimojabutazi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2451/5229/files/45688278500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6853/8521/files/49665242831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3208/2594/files/pigatejunidusolav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6108/3288/files/dubarosikojematata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7260/9686/files/wukivarefojin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8317/7885/files/76873353131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1289/8461/files/gopiwubag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1547/0245/files/86218209657.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9912/0033/files/gugazugepenodaminimubijax.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000658f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x658F | 3444 bytes |
SHA-256: 158f33433815bc1104d66a21ee8dbe17a38a75b572b5932986f53c0d944336e8 |
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font_01_sfnt_off000071dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DC | 5180 bytes |
SHA-256: 71e80657c842b91d617074ecdfdcb8a591f1e82c608b26deb29a2e753d860605 |
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font_02_sfnt_off00008359.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8359 | 9940 bytes |
SHA-256: 6259cd30e9b3f2eea9be7c040599fb1179bf918aaea980ee24d111237f843dae |
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