MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains the same URL and appears to be a lure for users searching for a specific PDF title. The presence of numerous other PDF links suggests a link farm or SEO manipulation tactic. No scripts were extracted from this sample.
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=download+sing+hallelujah+to+the+lord+pdf
- http://nazel.allpaps.org/uploads/1/3/1/3/131380213/gapojigirutewedu.pdf
- http://files.drawingroom-and-associates.net/uploads/1/3/1/6/131606118/4599092.pdf
- http://gatil.henhouseart.co.uk/uploads/1/3/0/9/130969045/8720791.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4843/4840/files/radio_commercial_scripts.pdf
- https://cdn.shopify.com/s/files/1/0432/6955/4329/files/79713092542.pdf
- https://cdn.shopify.com/s/files/1/0437/3646/5559/files/sistema_de_defensa_nacional_del_peru.pdf
- https://cdn.shopify.com/s/files/1/0432/6280/4136/files/womuvesuzele.pdf
- https://cdn.shopify.com/s/files/1/0428/5667/7543/files/ayahuasca_dieta.pdf
- https://cdn.shopify.com/s/files/1/0438/0301/7373/files/atlanta_criteria.pdf
- https://cdn.shopify.com/s/files/1/0434/1936/9639/files/shadowing_japanese.pdf
- https://cdn.shopify.com/s/files/1/0433/9138/5758/files/12895405761.pdf
- https://cdn.shopify.com/s/files/1/0436/5815/0046/files/fofolizokubebewegadega.pdf
- https://cdn.shopify.com/s/files/1/0436/0273/9363/files/20323916411.pdf
- https://cdn.shopify.com/s/files/1/0435/3166/5562/files/20021608132.pdf
- https://cdn.shopify.com/s/files/1/0431/4365/9677/files/addictions_a_banquet_in_the_grave_free.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_off000056ae.bin1c55f0d9e6e380e373b2f3b03c1bfe09c7f24ac4edb7e29936569403a381d922 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56AE | 5468 bytes |
font_01_sfnt_off0000695d.bin30c5782df2d4adb3edfdd1c128555e52bdb9ac4f15f50864de76d5b7344058d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x695D | 12184 bytes |
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