MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains embedded links, one of which points to a known malicious redirector. The document body text, though partially corrupted, includes the URL 'https://ttraff.ru/pify?keyword=outlook+365+won+t+open+pdf+attachments', suggesting a lure to trick users into clicking the link. The presence of a large number of external PDF links and an instruction to disable security software further indicates malicious intent, likely to redirect the user to a malicious site or download further payloads.
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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=outlook+365+won+t+open+pdf+attachments In PDF document text
- http://files.westhawthornuniting.org/uploads/1/3/2/6/132682640/c08b3ac4.pdfIn PDF document text
- http://vetus.thematlethbridge.com/uploads/1/3/1/8/131871674/b675c5d74.pdfIn PDF document text
- http://files.imagesbylesrigby.com/uploads/1/3/0/7/130738919/tamojukafi.pdfIn PDF document text
- http://files.morrisiennafarm.net/uploads/1/3/0/8/130814050/bf86e72ddb01.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/1/0431/1348/0343/files/kadetavuwafodafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8860/0478/files/61010301985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9779/2420/files/favasijeludi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0909/7376/files/74432902754.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2711/9784/files/72719505650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4911/5029/files/53252468154.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5804/4827/files/xokusuvufid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/26818208553.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0625/2440/files/21863626700.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3034/7938/files/18206013604.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6153/3082/files/68715714796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2072/2080/files/81159155008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9764/4449/files/manual_de_anestesia_local_stanley_f._malamed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4605/0728/files/xijekujugusidep.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_off000065ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65AB | 5924 bytes |
SHA-256: 528e72230322416e138eb277cc772c5f0ddf25bb7ca6060f3caeaffe3bfc24fd |
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font_01_sfnt_off000079ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79CA | 10064 bytes |
SHA-256: 7635e661255070de34b4a3713e1a658ff9734bcf32ecd890e4b9af3c939ab97b |
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