MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
The PDF file contains numerous links, including one pointing to a known malicious redirector. The document body text and embedded links suggest a lure related to file conversion, likely to trick users into visiting the malicious URL. The presence of a "download button" heuristic further supports a social engineering attack.
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=online%20file%20converter%20.pdf%20to%20.docx In PDF document text
- http://pezim.fexasas.com/uploads/1/3/0/8/130873851/votubisefopizoxorak.pdfIn PDF document text
- http://files.roboticscity.com/uploads/1/3/1/3/131398022/1014141.pdfIn PDF document text
- http://files.ndavidhubbardlmhc.com/uploads/1/3/0/7/130740392/d2e575252a9c2.pdfIn PDF document text
- http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.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/1/0431/7777/1164/files/walizilozagovodumot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1687/0298/files/chudy_tata_bohaty_tata_kniha.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nifafujejugafux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8083/5482/files/can_t_be_guarded_scoring_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/58095289522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/xamaxegapijes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1671/6437/files/94919382773.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4504/4892/files/56617380652.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1504/4252/files/guia_holman_apologetica_cristiana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5661/8911/files/zalejepad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4227/5485/files/27687778479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9579/3568/files/reputational_risk_management_in_banks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1834/6915/files/acetilcolina_farmacocinetica_y_farmacodinamia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0020/9319/files/83405851699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0276/4184/files/98033314794.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_off00006780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6780 | 4736 bytes |
SHA-256: 139e6c0122daf0c501728fed2f27b8281a8c47340abbc7c5860cbe8ea9b4846f |
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font_01_sfnt_off000077b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B7 | 10300 bytes |
SHA-256: 534ded42e897f3e112fceb67fd4f5fe2a718c1de1cce9ac209247e2dfd54e2ff |
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font_02_sfnt_off00009b09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B09 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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