MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning classifier and contains multiple heuristics indicating malicious intent. Specifically, it includes a link to a known malicious redirector and a large number of external PDF links, characteristic of a link farm. The embedded URL points to 'ttraff.ru', which is identified as a malicious redirector.
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=analgesia+obstetrica+dosis+pdf
- http://files.trickhorse.net/uploads/1/3/1/8/131872178/roluwas.pdf
- http://files.jahafrica.com/uploads/1/3/1/4/131438539/tikifoporeba.pdf
- http://files.spacetigertattoos.com/uploads/1/3/1/4/131483317/fukivivagux.pdf
- https://cdn.shopify.com/s/files/1/0429/6091/2537/files/everybody_branden_jacobs_jenkins.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/tevewitowizazuf.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/2009_volkswagen_passat_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/6513/0660/files/27389555274.pdf
- https://cdn.shopify.com/s/files/1/0433/4016/9366/files/minecraft_hunger_games_servers.pdf
- https://cdn.shopify.com/s/files/1/0433/9892/2392/files/34260412590.pdf
- https://cdn.shopify.com/s/files/1/0432/2574/3515/files/guvuxujaxuxupijanekuk.pdf
- https://cdn.shopify.com/s/files/1/0435/0086/3643/files/29454331131.pdf
- https://cdn.shopify.com/s/files/1/0432/6768/6558/files/81261983987.pdf
- https://cdn.shopify.com/s/files/1/0428/7810/7811/files/archaeology_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0434/8136/6693/files/litekerivekizuxu.pdf
- https://cdn.shopify.com/s/files/1/0437/0300/9430/files/21682659338.pdf
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/polychlorinated_biphenyls.pdf
- https://cdn.shopify.com/s/files/1/0432/8429/9936/files/guwuzakebavuw.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009c45.bin1c10081f956541f7e1ddbd49a45a23524c931dec1339447472fedb06af011800 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C45 | 5452 bytes |
font_01_sfnt_off0000aed9.bin97852369e321e98bdb2fd3af165218490b6d0936490a58b76ad5a4fa259aa59a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAED9 | 10964 bytes |
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