MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to a 'carburetor manual', likely to trick users into clicking the malicious link. The presence of numerous external PDF links further suggests a link farm or SEO poisoning tactic.
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.ru/pify?keyword=carter+yf+carburetor+manual+pdf In PDF document text
- http://files.georgiatoons.com/uploads/1/3/0/8/130874031/1ec35.pdfIn PDF document text
- http://files.theboogerbandit.com/uploads/1/3/0/7/130738641/75de61d4c5f5012.pdfIn PDF document text
- http://files.365osha.com/uploads/1/3/0/8/130874489/fopakojetim.pdfIn PDF document text
- http://files.theroyalapartment.com/uploads/1/3/2/3/132302732/5043949.pdfIn PDF document text
- http://files.carolinasugarfairy.com/uploads/1/3/2/6/132682790/b594b0a239f.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/1/0429/5429/3402/files/44143539963.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83406059157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4102/9276/files/jimenejasolapat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6487/6444/files/josetojanepegaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9050/8960/files/33985015719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0935/1575/files/58244014016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/95896621822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5496/4637/files/93554799734.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3838/9925/files/23231820858.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2648/9249/files/68239951066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3854/5819/files/pipiparagajetimibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2398/1979/files/guvozuzejaneruv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/41197425987.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_off00007d66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D66 | 5224 bytes |
SHA-256: 6284e58d2184618ef57a18e443794d1fa72fabafdfa0a4e3dea3ba9465776adb |
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font_01_sfnt_off00008f17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F17 | 13224 bytes |
SHA-256: c9ecd4120576d74ef92c298f42166b901278eedb0d3e547dd101d5264f2b538c |
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font_02_sfnt_off0000b8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8C6 | 16132 bytes |
SHA-256: 6820151f9a4816bccc9e85e605aef44ce22c8924dfcccd161584754f275bf028 |
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