MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL, suggesting the primary intent is to lure the user to a malicious site, likely for further exploitation or credential harvesting.
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.cc/pify?keyword=garrapata+boophilus+microplus+pdf In PDF document text
- http://wujuweza.sophisticatedfit.com/uploads/1/3/1/6/131637814/digiwaridubute_wefimuzuteluxe.pdfIn PDF document text
- http://files.grahamstead.com/uploads/1/3/0/7/130738988/5196576.pdfIn PDF document text
- http://meluxod.sssacademics.com/uploads/1/3/0/7/130775443/kowas_mebef_neruwibujula.pdfIn PDF document text
- http://puwaf.anastazjakrokosphotography.com/uploads/1/3/1/3/131379552/tulomo.pdfIn PDF document text
- http://wawig.geoffreyobrian.com/uploads/1/3/1/0/131070450/21c32e.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/1/0433/8316/0995/files/3000_chinese_character_dictionary.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7742/5557/files/46398823997.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1687/8242/files/environmental_chemistry_baird_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kupesuditijativerawepafu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0402/5242/files/biopsicologa_pinel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2708/4965/files/figobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7735/4143/files/manonukobipuwujerulirus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2484/9815/files/20706258476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/wiparuzaguzijita.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4302/7106/files/spanish_1_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7469/8902/files/zonef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/79934476453.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_off00007d2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D2B | 5564 bytes |
SHA-256: 3f27c5155e41e30c2854949759307e0a93e17f27de389a9fd85470d7bf8d6a52 |
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font_01_sfnt_off00008fea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FEA | 10600 bytes |
SHA-256: c5f5fe90188ecca80637a35b85d14d09b62ad046e5b3287f671c83a9918bdea3 |
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font_02_sfnt_off0000b46f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46F | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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