MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link directs to a known malicious redirector at 'https://ttraff.ru/pify?keyword=autocad+2020+shortcut+key+pdf'. The document body, though heavily obfuscated, contains references to 'Autocad 2020 shortcut key pdf', suggesting a lure to entice users to click the malicious link. The primary attack pattern involves redirecting the user to malicious infrastructure.
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=autocad+2020+shortcut+key+pdf In PDF document text
- http://kamez.kayyscollection.com/uploads/1/3/1/6/131606490/lusuninulegawagesiwa.pdfIn PDF document text
- http://files.pointyhalo.co.uk/uploads/1/3/1/4/131453871/lixadafizu-pifod.pdfIn PDF document text
- http://files.jewishgardening.com/uploads/1/3/2/6/132681192/nexinakesixa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/8699/5863/files/160154444.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9597/2256/files/towewojusupum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/21420334849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8995/9843/files/mujunoxubedogij.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4456/9242/files/vazasonetatidegux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3028/0352/files/baofeng_uv_82_manual_em_portugues.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3756/4838/files/pizegemexuxetebim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/7475/4462/files/fewivomezepemojajuzedilu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3461/5706/files/terafixelumowew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6033/9623/files/75501658733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0244/5475/files/cfa_level_1_ebook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0460/8155/files/70790262276.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5516/9186/files/83974171589.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_off0000bebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBC | 5368 bytes |
SHA-256: da998d27a9fd4b736b5a72354835db52d8ae8244af8c1c81bc5a26dc01e45277 |
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font_01_sfnt_off0000d114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD114 | 12656 bytes |
SHA-256: c397de9f0a50fc02c4a76ee87f07fdddabc65c91f92e4c0c9c66930da0a41382 |
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font_02_sfnt_off0000f951.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF951 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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