MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector URL. The document body, though obfuscated, contains text related to 'Armature deforms body' and the authoring application, suggesting a lure. The presence of numerous links, including to a redirector, indicates an attempt to lead the user to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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/pify?keyword=armature+deforms+body In PDF document text
- http://files.oldsouldecor.com/uploads/1/3/1/3/131381722/3850965.pdfIn PDF document text
- http://neguv.authorkimberlymowery.com/uploads/1/3/0/9/130969633/buzedokek.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/1/0435/4444/5082/files/bogoxerof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6027/4087/files/29569212705.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4320/0929/files/internal_auditing_principles_and_techniques.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/sajar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7885/2507/files/4_your_eyez_only_dopefile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0522/2822/files/buffon_histoire_naturelle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8638/0189/files/16905253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0230/4408/files/pearson_algebra_2_common_core_teacher_s_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0681/9493/files/56409911402.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5104/7329/files/90887156922.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/foxuvemonetewolebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0972/6888/files/68380678778.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000751c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x751C | 3572 bytes |
SHA-256: 30686034f02542e6100179981f38486a797634a5036ad7d3b7b760c38137110f |
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font_01_sfnt_off000081c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81C0 | 5252 bytes |
SHA-256: 3968a7280619f6b245de53501b9c41909f48f82f6f40a1ed50a1e114b85560a6 |
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font_02_sfnt_off00009384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9384 | 10600 bytes |
SHA-256: b2ff34b1356b2b651e76788f45e583c9a5ba93763a1ed65117935a349088c056 |
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font_03_sfnt_off0000b7ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7EA | 16064 bytes |
SHA-256: 6f17b99764d671a96c0d2fd0b5f339513c2ddbf7efa5d755f63b897ad21dd613 |
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