MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of external links, a technique often used in SEO link farms to manipulate search engine rankings. One of these links, 'https://ttraff.ru/wb?keyword=corporations%20act%202001%20', is flagged as a known malicious redirector. The file's structure and the presence of numerous links suggest an attempt to lure users to malicious sites, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://files.michelyn.com/uploads/1/3/0/7/130775470/6637110.pdf In PDF document text
- http://files.thewildwaycoffee.com/uploads/1/3/0/7/130739480/sobuzipo-wonutaduv-woganawe-xofudefiloma.pdfIn PDF document text
- http://files.lightningridgerealestate.com.au/uploads/1/3/2/8/132815961/tuwor.pdfIn PDF document text
- http://files.rmc1studio.com/uploads/1/3/0/7/130739158/721688.pdfIn PDF document text
- https://ttraff.ru/wb?keyword=corporations%20act%202001%20PDF link annotation
- https://ttraff.ru/wb?keyword=corporations%20act%202001%20(cthIn 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/1/0429/5085/2762/files/dumisepa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3121/5780/files/88209542694.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0968/7208/files/nupiravutu.pdfIn PDF document text
- https://jezalur.files.wordpress.com/2020/06/34050150002.pdfIn PDF document text
- https://suxeniruwip.files.wordpress.com/2020/06/gafibutudabag.pdfIn PDF document text
- https://zebofupafu.files.wordpress.com/2020/07/39551909934.pdfIn PDF document text
- https://jigudom.files.wordpress.com/2020/07/dezaraputarixatuguxegasut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5564/3813/files/sigenegexekokep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8387/3942/files/wuzaxowafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nakoximowukod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3654/0069/files/13940123217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8909/1989/files/tevajafekigonexamoxuduma.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97697777452.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2630/0575/files/romisuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2816/0417/files/59846867402.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_off00008590.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8590 | 5384 bytes |
SHA-256: 454bc70b544fe1e57d92b49d4bddfeb783777cfbe72a061bebcbb33c5e77ea6c |
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font_01_sfnt_off000097d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97D8 | 9824 bytes |
SHA-256: 194381c8b0fc9b698589c4e441a19cf62546429eb3ead5004f7482e2a7bfcfb2 |
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