MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, including one pointing to a known malicious redirector. The document body text and heuristics indicate a lure to download a converter, which likely leads to a malicious payload. The presence of a link farm and a call-to-action button further supports a phishing or social engineering attack pattern.
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.com/wb?keyword=excel%20sheet%20to%20pdf%20converter In PDF document text
- http://files.perennialposy.com/uploads/1/3/2/6/132695445/8348434.pdfIn PDF document text
- http://files.wadelightheart.net/uploads/1/3/1/4/131407278/sanidiwuwo_renig_vigiwapuvot_jabipezilape.pdfIn PDF document text
- http://laturewak.tangwenfang.org/uploads/1/3/1/0/131071252/vutufop-nabuvam-vagusozigaz-sijolo.pdfIn PDF document text
- http://files.christopherdavidroche.com/uploads/1/3/2/6/132695492/6139e70eed083.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/1/0437/3823/5031/files/nutulafegiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4103/6200/files/39643934747.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2427/7923/files/55381614624.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zurutadodusabexefiba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1674/1286/files/74701911390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1657/5383/files/electronic_troubleshooting_and_repair_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1541/3658/files/12515113282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7208/6435/files/skmei_watch_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/42590588198.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45560821546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2649/7182/files/2306743885.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5326/1724/files/beowulf_a_verse_translation_norton_critical_editions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/9207/7731/files/convert_to_word_document_free.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6543 | 5120 bytes |
SHA-256: 1c0d5cec2d5cba527056023a7223cf609acdc5b9789df232bb95c8c5b08f9b04 |
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font_01_sfnt_off000076ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AD | 10424 bytes |
SHA-256: 186bf9250066bb932280b2d7df920ee3c78fa09fc5a36f05d2d24842cef94d1f |
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font_02_sfnt_off00009aa1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AA1 | 16076 bytes |
SHA-256: 82808991bf2634d521b2ccc057447e3924061576bc9adec3b256e3a0bf672a23 |
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