MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF file was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of embedded links, suggesting a link farm for distributing malicious content. The ML classifier also strongly indicated maliciousness. The primary malicious IOC is the redirector URL, which likely leads to a phishing or malware download page. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=trove+class+gem+key
- http://bitixix.fcwellnesscompanyltd.com/uploads/1/3/2/6/132682137/9872464.pdf
- http://sovel.tdpbooks.com/uploads/1/3/0/7/130739275/8e70dddc7b70262.pdf
- https://cdn.shopify.com/s/files/1/0437/3128/8216/files/powajubibi.pdf
- https://cdn.shopify.com/s/files/1/0428/5733/2895/files/eos_70d_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/5244/9444/files/wunoxafen.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kubogofire.pdf
- https://cdn.shopify.com/s/files/1/0431/8740/4968/files/kogubevumifidodig.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/importance_of_behavioral_science.pdf
- https://cdn.shopify.com/s/files/1/0427/9681/0396/files/76528727184.pdf
- https://cdn.shopify.com/s/files/1/0431/4556/0225/files/pexun.pdf
- https://cdn.shopify.com/s/files/1/0436/0568/8483/files/nipirurodikexe.pdf
- https://cdn.shopify.com/s/files/1/0431/1423/4016/files/starting_a_business_in_california.pdf
- https://cdn.shopify.com/s/files/1/0432/2010/7424/files/19766386573.pdf
- https://cdn.shopify.com/s/files/1/0428/2076/3804/files/gosaxopoda.pdf
- https://cdn.shopify.com/s/files/1/0437/6189/3534/files/minimalism_live_a_meaningful_life_book.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005714.binbfd466b2a286dca7b9744974fc2f9b12c99bce8e0d93cfca773fdd28ffcb0b2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5714 | 5296 bytes |
font_01_sfnt_off00006912.bin8f15e9debd946f035ab7c4702228a74cbdbd81860c4b2f4c1a34905b1e553138 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6912 | 10268 bytes |
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