MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with one prominent link leading to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=book+acknowledgement+sample+pdf', suggesting a lure to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, further indicates a link farm designed to obscure the true destination. 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=book+acknowledgement+sample+pdf
- http://pumim.manolyartdesign.com/uploads/1/3/1/1/131164574/4cdd35.pdf
- http://kazatijo.restorationalleydiy.com/uploads/1/3/0/7/130738524/3055485929e.pdf
- http://lezizo.maranathabiblens.com/uploads/1/3/0/7/130776132/4893919.pdf
- http://files.lyndseygauthier.com/uploads/1/3/1/3/131379324/nikipixuw-xikidusorowe-wamagegi.pdf
- https://cdn.shopify.com/s/files/1/0432/8321/8588/files/user_s_guide_to_capitalism_and_schizophrenia.pdf
- https://cdn.shopify.com/s/files/1/0433/0940/0214/files/59396128774.pdf
- https://cdn.shopify.com/s/files/1/0434/6360/6429/files/cefr_english_placement_test.pdf
- https://cdn.shopify.com/s/files/1/0432/7833/6165/files/best_camera_effects_app_for_android.pdf
- https://cdn.shopify.com/s/files/1/0427/8370/3206/files/hp_10_bii_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/novemenuzipikuve.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/mowesanepukebudawuniror.pdf
- https://cdn.shopify.com/s/files/1/0465/0824/5150/files/vce_exam_simulator_2._6._1_free.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1718/files/24885445627.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006963.bin5394b1184c05ad4a4d04ad0d84779de4b5bf7e6cafb2911c399be6932c8a967f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6963 | 5324 bytes |
font_01_sfnt_off00007b8b.bin2317c0f3f377aa406c4d170099fff6a45874eafa9090a73457fd7569cb479ae8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B8B | 10192 bytes |
font_02_sfnt_off00009e7f.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E7F | 4324 bytes |
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