MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF document contains a lure suggesting it provides an activation key for Kaspersky Internet Security, but it embeds numerous links. One critical heuristic indicates a malicious redirector link, and another points to a large link farm, suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, contains the malicious URL and other PDF links, reinforcing the social engineering aspect. The primary malicious URL is https://ttraff.cc/pify?keyword=kaspersky+internet+security+for+android+activation+key, which likely leads to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=kaspersky+internet+security+for+android+activation+key In PDF document text
- http://kisavo.plitechnologies.com/uploads/1/3/0/7/130739590/6434941.pdfIn PDF document text
- http://files.thehivsolution.com/uploads/1/3/1/4/131482931/pepiroge-gokevubelemi-sedukoforimopo-duketite.pdfIn PDF document text
- http://files.gabrielmalancioiu.org/uploads/1/3/2/6/132695915/792090.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2955/3575/files/bautagebuch_bg_bau.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7275/7668/files/36092808007.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7194/6398/files/1394829383.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3923/4967/files/96037895944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5567/7591/files/alamance_county_arrest_reports.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5114/7676/files/1581878206.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9482/7415/files/60608511544.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9153/3725/files/lomojezazesodaregu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gatafuruzakelimosileraji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0508/2780/files/business_goals_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fuwemosuwizukuxitakalav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1870/6341/files/62361729926.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A79 | 6812 bytes |
SHA-256: 31d4dd97cf5147e6b059c24d0fa5ef82248f625d272ff84a9e6c0d2f8a785f9a |
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font_01_sfnt_off00007bae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BAE | 5312 bytes |
SHA-256: 05e94ab4069ce2332563fbbaa6b264dcf4f77a8b6b70fa2899c598b5be4c25b1 |
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font_02_sfnt_off00008de0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DE0 | 10316 bytes |
SHA-256: 528f3d95a251fc0c2b4b8c1463546d60f71277b768e32f1bdd0492f401d41dab |
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