MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to what appears to be a link farm designed for SEO manipulation. One of the embedded URLs, 'https://ttraff.ru/pify?keyword=bhakti+video+song++2019', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and URLs, suggesting an attempt to disguise malicious activity.
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=bhakti+video+song++2019
- http://dutid.simplyseasideorganizing.com/uploads/1/3/1/6/131606407/gitituwawikanub.pdf
- http://files.dcglam.net/uploads/1/3/1/8/131857756/5afc0e31addafb1.pdf
- http://files.ewan-macintyre.org/uploads/1/3/1/4/131438567/7b671f4714d0b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2182/0319/files/vabisawewukireletuviwu.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6556/files/beginner_workout_program.pdf
- https://cdn.shopify.com/s/files/1/0435/0522/1784/files/ralojavadil.pdf
- https://cdn.shopify.com/s/files/1/0440/6162/2437/files/medicina_alopata_ventajas_y_desventajas.pdf
- https://cdn.shopify.com/s/files/1/0431/6043/6896/files/8830481397.pdf
- https://cdn.shopify.com/s/files/1/0428/8262/9798/files/duposefijexi.pdf
- https://cdn.shopify.com/s/files/1/0430/4309/4677/files/possessive_pronouns_english_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/9200/9365/files/upper_intermediate_reading_comprehension_exercises_with_answers.pdf
- https://cdn.shopify.com/s/files/1/0433/6700/6364/files/suxojov.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004230.bin8949e7cb89d6532ee8bdf77fe3232eb5462df2d506524b62a33f34020ea58871 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4230 | 5612 bytes |
font_01_sfnt_off00005553.binc7aa0947341969b3980cc4f49515a82aa9304c53e14e3bc56f1ddaa5b876fbaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5553 | 8920 bytes |
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