MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector and others pointing to a link farm. This suggests the primary purpose is to direct users to potentially harmful external websites. The ML classifier strongly supports the malicious nature of this PDF.
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.cc/pify?keyword=hallelujah+nuty+pdf+chomikuj
- http://dewexiwim.happysnapsstudio.com/uploads/1/3/1/1/131163763/6fdfd1b460e6d8.pdf
- http://files.syracusesheds.com/uploads/1/3/0/8/130813821/ea96d9a1.pdf
- http://biwegaven.theheartofgolf.com/uploads/1/3/1/4/131407089/dujenut.pdf
- http://files.inadocument.com/uploads/1/3/2/6/132696128/341013.pdf
- http://xevuvodon.mariocostantinopace.com/uploads/1/3/2/8/132816202/nawukizuravuwetade.pdf
- https://cdn.shopify.com/s/files/1/0435/4713/2068/files/42065978724.pdf
- https://cdn.shopify.com/s/files/1/0430/8582/4164/files/90302543724.pdf
- https://cdn.shopify.com/s/files/1/0429/5639/0559/files/rotebasunuguvurebelifimuz.pdf
- https://cdn.shopify.com/s/files/1/0434/0239/5813/files/87240617279.pdf
- https://cdn.shopify.com/s/files/1/0428/2925/0719/files/php_form_mailer_script.pdf
- https://cdn.shopify.com/s/files/1/0429/4744/4899/files/84335081230.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevesuladufutaniwor.pdf
- https://cdn.shopify.com/s/files/1/0433/4046/4281/files/lamb_of_god_redneck.pdf
- https://cdn.shopify.com/s/files/1/0430/6547/5229/files/48203752951.pdf
- https://cdn.shopify.com/s/files/1/0434/3303/3877/files/38833957682.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_off00004950.binfac48e239730bd9573d94a9d43593c8b375ea4abf4ddbbcb6913531be8e75a25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4950 | 5324 bytes |
font_01_sfnt_off00005b4e.bin46658c44862eeb712fe66af2f78fba1d276bd63fff21786b78cbded5e867eede |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B4E | 10404 bytes |
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