MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file was flagged as malicious by a machine learning classifier and contains multiple embedded links. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=alchemy+emperor+of+the+divine+dao+%25E0%25B9%2581%25E0%25B8%259B%25E0%25B8%25A5%25E0%25B9%2584%25E0%25B8%2597%25E0%25B8%25A2+pdf'. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on Shopify, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The primary attack vector appears to be luring the user to click on the malicious redirector URL.
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=alchemy+emperor+of+the+divine+dao+%25E0%25B9%2581%25E0%25B8%259B%25E0%25B8%25A5%25E0%25B9%2584%25E0%25B8%2597%25E0%25B8%25A2+pdf In PDF document text
- http://vivopo.petravb.com/uploads/1/3/0/7/130738779/xakalil.pdfIn PDF document text
- http://files.charmingandchair-ished.com/uploads/1/3/1/6/131636642/a0982758cb.pdfIn PDF document text
- http://files.andrephotography.net/uploads/1/3/1/3/131384301/jisenema.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4211/1650/files/nurewapopinasaxeberoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9524/4441/files/does_cracking_your_knuckles_make_them_bigger.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2809/3856/files/fugoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4021/9041/files/tupac_alben_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3015/files/xifuwufaxoketapapavotesuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0179/7019/files/mifawevofuzikulimos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3503/1712/files/80880498020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0692/6741/files/bukodil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0392/6939/files/26329614577.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5006/6339/files/14589030341.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6843/2288/files/iguana_tinker_tweaks_config.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5271/1581/files/44743575877.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3622/9278/files/degises.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
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F2F | 5368 bytes |
SHA-256: fcd997b58604de2ebc59ed83301ec530e0ead6a6a2db641294e2fcf9ebdeb479 |
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font_01_sfnt_off00006150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6150 | 6904 bytes |
SHA-256: 85c53b513902abb9bc2e0ec8b956943455f449ba20940acf1af888d487edc09a |
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font_02_sfnt_off000072f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72F5 | 7012 bytes |
SHA-256: 065c4b7fe1d60de50b076f4c989afccd18de19296347539f6633870ee0ebb971 |
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font_03_sfnt_off000085e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85E1 | 15172 bytes |
SHA-256: 0e8d18a2a9697a48ede09d9272ecebeca2e9598786bc6c0f5d9c9c4c9d159b1b |
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