MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, also contains the same malicious URL. This suggests the primary purpose is to lure the user to a compromised site, likely for phishing or malware distribution. The ML classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=always+forever+chords+pdf
- http://files.drjeanninedavies.com/uploads/1/3/1/4/131455283/87d4c70013042e.pdf
- http://files.bigdealoutlets.com/uploads/1/3/1/4/131437604/1883534.pdf
- http://files.mplsalpineski.org/uploads/1/3/0/7/130775341/lekafinigijuwupob.pdf
- http://files.writerswhorun.com/uploads/1/3/0/7/130739747/resinabadom.pdf
- https://cdn.shopify.com/s/files/1/0427/6148/6503/files/fefiditugodevabub.pdf
- https://cdn.shopify.com/s/files/1/0437/4003/7271/files/xijojulinisilagabi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51906755497.pdf
- https://cdn.shopify.com/s/files/1/0431/5601/3205/files/unholy_death_knight_rotation.pdf
- https://cdn.shopify.com/s/files/1/0437/0789/1877/files/76423335414.pdf
- https://cdn.shopify.com/s/files/1/0431/9212/3560/files/japawufiwemakef.pdf
- https://cdn.shopify.com/s/files/1/0433/3728/5797/files/nexunuzeru.pdf
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/zokofuvebununujerapudive.pdf
- https://cdn.shopify.com/s/files/1/0434/7530/4612/files/counter_strike_1._6_download.pdf
- https://cdn.shopify.com/s/files/1/0427/8000/0423/files/74464621852.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_off000055e3.bincd0cd242d4b0a2427ee38b011d1b4e58520d9c647f4db166816ece5a17150d80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E3 | 5488 bytes |
font_01_sfnt_off000068ab.bine523e499e9fa6ac4827ea5c988e984f6661ed7e324ad28d9603787050db00832 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68AB | 14100 bytes |
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