MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, with a critical finding pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. The presence of numerous links, including one to a malicious redirector, suggests an attempt to lead the user to a compromised site for further exploitation or download.
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=fidic%20white%20book%20guide%20pdf In PDF document text
- http://files.tastefulgatherings.com/uploads/1/3/0/7/130775747/napup.pdfIn PDF document text
- http://kogobufew.sosossportsscoop.com/uploads/1/3/0/7/130775045/runikavegukol-xugomarabut-fezogotutezo-tagokamaj.pdfIn PDF document text
- http://ratijixe.fluxpilatesandwellness.com/uploads/1/3/0/7/130740189/597828.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/1/0432/6454/0835/files/jilobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8691/3437/files/bipufapiwegate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/holt_world_history_ancient_civilizations_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nitupalakisotubawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1102/2756/files/rekazazinupugirikipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98048873934.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8735/files/glistering_melon_recipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6331/9445/files/orthopedic_assessment_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3874/4476/files/juxasijapomeni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0228/8537/files/lujafel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4684/6119/files/duxerogagaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0441/1556/files/deficiencia_de_cobalamina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4081/5774/files/41636973844.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_off000065ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65EF | 5152 bytes |
SHA-256: 1b3f7faea7e1fb83ef97a3095cffb9c1558fe51e740236f24eb6f890b73bb35a |
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font_01_sfnt_off0000778a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x778A | 10080 bytes |
SHA-256: fbc30bc970ddc72ed3657ef89c1dc6877476a539b3e71fe275e643fcc4b059f0 |
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