MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is further supported by the presence of a large number of external PDF links, suggesting a link farm. The document body contains a call-to-action phrase, indicating a social engineering lure. The primary malicious IOC is the redirector URL, which likely leads to further stages of the 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.cc/pify?keyword=application+for+additional+documents+format In PDF document text
- http://files.bordasmusic.com/uploads/1/3/2/6/132683330/zowokenosiw.pdfIn PDF document text
- http://files.bcmeccanomodellers.com/uploads/1/3/1/4/131406473/tejipamiri.pdfIn PDF document text
- http://files.sidleystandup.com/uploads/1/3/0/7/130775942/3089407.pdfIn PDF document text
- http://files.beautybyellav.com/uploads/1/3/1/4/131437683/4896078.pdfIn PDF document text
- http://files.writerjessicaleigh.com/uploads/1/3/1/4/131407278/9598690aa5d4f.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/1/0436/7345/2697/files/96087733635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6000/2967/files/arrow_stage_lines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1916/6119/files/31448505602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7923/6774/files/luzisavaro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1892/7779/files/silizesonavetudepi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5850/3584/files/sozenijufekolanuvopa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9213/2508/files/74271151668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gijamibumiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1991/0811/files/7724250862.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0357/6481/files/79948635092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/4727/5931/files/mahabharata_full_story_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3197/0471/files/kriteria_sepsis_neonatorum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4404/3943/files/lulopelapobixive.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_off00008198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8198 | 5288 bytes |
SHA-256: 116a92e9ec03fe247d5009c848fec5f460198e506c7818783f0169c1c87dc375 |
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font_01_sfnt_off0000936d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x936D | 11112 bytes |
SHA-256: 3fbaccda6c4685682d2dd7daf1cb503f18eec8bd4df1aff5caf751e3b9ffb632 |
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