MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body text, though partially corrupted, includes the URL that triggered the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. This suggests the document is designed to trick users into visiting malicious sites by appearing to offer a specification sheet. No scripts were extracted from this sample.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=sheet+metal+bending+machine+specification+pdf In PDF document text
- http://files.supernaturalentertamitedproductions.org/uploads/1/3/1/4/131455883/visemomitowezij-fezaweku-xevut-kixivim.pdfIn PDF document text
- http://files.alexbuehler.com/uploads/1/3/2/6/132681970/9416970.pdfIn PDF document text
- http://files.castleworksmotorsports.com/uploads/1/3/0/7/130775490/bopezoj.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/1/0431/3530/3831/files/72128982698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7957/files/46552669227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1568/3744/files/16024417087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8070/4405/files/91024316824.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8035/8815/files/mamijowudifepokomo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3421/4561/files/srimad_bhagavad_gita_in_tamil_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2128194791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/9509141707.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4077026649.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6564/7012/files/fopugajimivaluvuwebesox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fulefevizurosojasi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5629/0206/files/transportation_engineering_and_planning_papacostas.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_off00005ffa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FFA | 5716 bytes |
SHA-256: cf360e4e7e43b7ccb786c6f07140ef0a0a2247e5fa65cde67aff9cf46c95f2e4 |
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font_01_sfnt_off00007345.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7345 | 10168 bytes |
SHA-256: 90755a43d6a9d2c9627c28ed6afeddb53bcc543eced9f3ea263585661fe63af2 |
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