MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=audio+converter+windows+xp+free', is presented as a download button, attempting to trick the user into clicking it. The PDF also contains a link farm heuristic, suggesting it's part of a larger SEO poisoning effort to distribute malicious content. No scripts were extracted, but the presence of the malicious redirector is sufficient evidence of malicious intent.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=audio+converter+windows+xp+free In PDF document text
- http://files.kyleworshammd.com/uploads/1/3/2/3/132303310/1216988.pdfIn PDF document text
- http://files.torone-project.com/uploads/1/3/1/8/131872104/jeviwufopulejemekalu.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/1/0432/3190/3902/files/89452550406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6301/7629/files/ficha_tecnica_aceros_arequipa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/62889257697.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4913/9880/files/chimborazo_climbing_guides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/tuwezepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6761/3082/files/zedanegaleximesomifup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mulobovapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1117/7629/files/248138192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6197/6994/files/astrology_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4803/2666/files/zisasefosop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2353/1158/files/christmas_music_sheet_music_piano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2434/3462/files/free_ford_windstar_wiring_diagram.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/probability_sample_questions_with_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6636/8935/files/gamagulidif.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_off00006969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6969 | 5000 bytes |
SHA-256: a51b6f37865f6fe45812e0005787aca57b62c5d3c309d6e5137c2881ba9aab5c |
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font_01_sfnt_off00007a8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A8B | 10016 bytes |
SHA-256: b998c988f92fc1b2c513bdc9a1e273ce7d4499ce9b79897b4b7af1ba7e9cb527 |
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font_02_sfnt_off00009ce6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CE6 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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