MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, characteristic of a link farm designed to improve search engine rankings or distribute malicious content. One of the embedded URLs, 'https://ttraff.ru/wb?keyword=acls%20pocket%20card%20pdf', is flagged as a malicious redirector. This suggests the document's primary purpose is to lure users to potentially harmful websites.
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/wb?keyword=acls%20pocket%20card%20pdf In PDF document text
- http://files.morganfurze.com/uploads/1/3/1/3/131383664/e47dcbbe4.pdfIn PDF document text
- http://files.capetowndaytours.net/uploads/1/3/0/8/130874629/bugob-bowon-jozopo-vudux.pdfIn PDF document text
- http://files.brmandel.com/uploads/1/3/1/6/131606719/tilinepuj.pdfIn PDF document text
- http://files.miss-pj.com/uploads/1/3/0/7/130738771/9455160.pdfIn PDF document text
- http://files.aztecag.com/uploads/1/3/1/4/131437161/3dfe7affce82d1.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/1/0432/2512/0927/files/jotajuzaxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2544/9628/files/4913604786.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75130531250.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1262/6344/files/tajuzukulaxar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/82370673146.pdfIn PDF document text
- https://jowoxub.files.wordpress.com/2020/07/9754463484.pdfIn PDF document text
- https://wilopag.files.wordpress.com/2020/06/jubijogaxokiwi.pdfIn PDF document text
- https://bosoroju.files.wordpress.com/2020/06/40907025950.pdfIn PDF document text
- https://fuwewosalija.files.wordpress.com/2020/07/32520361541.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tokon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1635/4977/files/jabewukanutemivi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6534/3126/files/zinexelunagexuzen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9367/1588/files/sarekuvimunosereguxor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6263/2360/files/zutubakif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0016/8597/files/26893172451.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_off00006d08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D08 | 4836 bytes |
SHA-256: e384a704bbeb4ae7fdca69df7dd0acad50bf8f8d0b6523b7757b4c62a3ec7a2c |
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font_01_sfnt_off00007d89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D89 | 10100 bytes |
SHA-256: 5df234268d47ea7bc0807661fe94f9fa01b06e8bd5a9581b386962c834476d90 |
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