MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=custom+rom+apk', which is also flagged as a malicious redirector. This suggests the document is designed to redirect users to malicious content, likely a phishing or malware download page.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=custom+rom+apk In PDF document text
- http://files.jerrinchiu.com/uploads/1/3/1/3/131381374/jujonalibik-garadi.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/1/0427/6387/8566/files/sijifijalasupon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5336/7975/files/33458518135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4950/0315/files/bopiji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8663/3374/files/vujuzopivikijupixenovim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7600/9622/files/405516413.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7846/6201/files/1047106896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40133843423.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2515/4716/files/49378468841.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2032/8865/files/20075240356.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3694/2234/files/litigupemaguw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8603/5621/files/dota_broodmother_guide.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006180.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6180 | 6440 bytes |
SHA-256: a606a6dede3b99472d2ac97761204782646b5f75106b48d1abccbe9a99ca9a4c |
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font_01_sfnt_off00007174.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7174 | 4900 bytes |
SHA-256: e637cb71d395bc1b2efe79225f02da5ce563676baf7690ef5fef1b09119ef0c0 |
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font_02_sfnt_off00008200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8200 | 2784 bytes |
SHA-256: aecc933578c88a4a0026d98ff72f9a4db1debada343779c99ba3a2fcacd7fc44 |
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font_03_sfnt_off00008dca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DCA | 10412 bytes |
SHA-256: b626ea653457c07ba67bc2cdc85338c19dba7fa8478af7d2b349181133dad9b8 |
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font_04_sfnt_off0000b175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB175 | 16876 bytes |
SHA-256: 3bc2ab189245217b388a6575843a0144944b665db3b398f3a66b67ce50bfe711 |
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font_05_sfnt_off0000c920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC920 | 1736 bytes |
SHA-256: 5095ccdfdd328c3f25b1766e9c65bca58fa839170fcb9f3db3c20e130d955aff |
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