MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=hardest+logic+questions+with+answers+tagalog', suggesting a lure to a malicious site. The presence of a large number of external PDF links also indicates a link farm, likely for SEO manipulation or to host further malicious content. The ML classifier strongly flagged this PDF as malicious.
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=hardest+logic+questions+with+answers+tagalog
- http://files.nvclbaseball.org/uploads/1/3/1/3/131383586/7005378.pdf
- http://files.theeclecticcats.com/uploads/1/3/1/6/131637325/fced1db.pdf
- http://files.verduemedia.com/uploads/1/3/1/8/131856353/sujaxawudalanobomo.pdf
- http://detajak.designerpaws.org/uploads/1/3/2/8/132815002/fogowujego-raribafeso-viwiwedijezex.pdf
- https://cdn.shopify.com/s/files/1/0430/8379/2548/files/recommendation_letter_download.pdf
- https://cdn.shopify.com/s/files/1/0437/5363/5989/files/sifigo.pdf
- https://cdn.shopify.com/s/files/1/0437/9725/0205/files/7381225000.pdf
- https://cdn.shopify.com/s/files/1/0428/0903/2863/files/jatapigagazupixuxiti.pdf
- https://cdn.shopify.com/s/files/1/0434/2359/6711/files/12119105980.pdf
- https://cdn.shopify.com/s/files/1/0429/6556/5589/files/guxiwup.pdf
- https://cdn.shopify.com/s/files/1/0437/0720/3739/files/65461462492.pdf
- https://cdn.shopify.com/s/files/1/0436/1669/8526/files/52971330870.pdf
- https://cdn.shopify.com/s/files/1/0437/0802/2938/files/92538083653.pdf
- https://cdn.shopify.com/s/files/1/0430/8048/2970/files/kegedi.pdf
- https://cdn.shopify.com/s/files/1/0447/1940/7257/files/2020_uae_calendar_with_holidays.pdf
- https://cdn.shopify.com/s/files/1/0435/0722/0644/files/3520160303.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_off00007939.bin1e8fbf7f105349ec12d73dd9abc5f98f245aa26f70bc11b6e2d6ae02e46f65b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7939 | 5380 bytes |
font_01_sfnt_off00008b80.bind5ed7674ae7df98001f8ace4ef76a33ab0d948034a961fb5ce029e7997079105 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B80 | 10168 bytes |
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