MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics, suggesting a lure to a phishing or malware distribution site. The presence of a link farm further supports the malicious intent of directing users to external resources.
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.com/pify?keyword=approaches+to+discourse+analysis+pdf
- http://rosipo.newseasonwc.com/uploads/1/3/2/3/132303189/gonafujako.pdf
- http://fevekat.trec.space/uploads/1/3/1/3/131379362/basokamal.pdf
- http://vomuvi.vls-stud.co.uk/uploads/1/3/2/8/132814930/c5ce8084.pdf
- http://durip.fingers4hiretranscription.com/uploads/1/3/1/4/131437130/1899151.pdf
- http://binepiri.cuckoostudios.com/uploads/1/3/0/8/130874493/lirumuf.pdf
- https://cdn.shopify.com/s/files/1/0428/2938/1791/files/16756356230.pdf
- https://cdn.shopify.com/s/files/1/0432/7761/5262/files/48301711174.pdf
- https://cdn.shopify.com/s/files/1/0430/8185/9225/files/63158902065.pdf
- https://cdn.shopify.com/s/files/1/0440/7338/6136/files/26900768172.pdf
- https://cdn.shopify.com/s/files/1/0435/1347/9320/files/toxokag.pdf
- https://cdn.shopify.com/s/files/1/0435/3690/8439/files/85526452187.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1120/files/17989340749.pdf
- https://cdn.shopify.com/s/files/1/0438/3545/7696/files/centrelink_carers_allowance_form.pdf
- https://cdn.shopify.com/s/files/1/0433/7968/7574/files/ata_chapter_100.pdf
- https://cdn.shopify.com/s/files/1/0433/8244/0103/files/jirepuxosig.pdf
- https://cdn.shopify.com/s/files/1/0435/9172/9309/files/everest_base_camp_map.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_off00006973.bincfaa745c9a155e0226c66e00034d619eeafb95ca06245237246873a6a14bc9ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6973 | 5336 bytes |
font_01_sfnt_off00007b93.binda8389c8d7ab1bfd6b1c062ab552c92162a6b8eea5250653721c0ce4a534c77e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B93 | 10120 bytes |
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