MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a lure promising free downloads, which redirects to a known malicious redirector URL. The document body itself is heavily obfuscated but contains multiple links to external PDF files, likely part of a link farm to improve SEO for malicious content. The ML classifier strongly indicated maliciousness, and the presence of a redirector link confirms a malicious intent to lead the user to harmful content.
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=small+stories+pdf+free+download
- http://files.ashcandesign.com/uploads/1/3/0/8/130873851/9dc7c4c2d5ca4.pdf
- http://dazik.tandem-cyber-solutions.com/uploads/1/3/0/8/130873995/fc5e7776b043c15.pdf
- http://files.cazpurrbengalcats.com/uploads/1/3/2/8/132814073/vatosetejo.pdf
- http://files.southendrising.com/uploads/1/3/1/3/131380438/3ed3f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/degotumikotimimena.pdf
- https://cdn.shopify.com/s/files/1/0434/7222/4421/files/29104431094.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/lodaj.pdf
- https://cdn.shopify.com/s/files/1/0433/4062/8120/files/27392789372.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexidemunuviviradepinitim.pdf
- https://cdn.shopify.com/s/files/1/0430/9454/0452/files/95372857848.pdf
- https://cdn.shopify.com/s/files/1/0428/5746/3964/files/daxivagunalotit.pdf
- https://cdn.shopify.com/s/files/1/0431/5339/1765/files/si_joint_dysfunction.pdf
- https://cdn.shopify.com/s/files/1/0438/5102/2501/files/rewamogitiluregapi.pdf
- https://cdn.shopify.com/s/files/1/0429/9476/1877/files/1519859487.pdf
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/demuzepidak.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_off00009761.binf149b98b62f11b87446c728eccf2cd67ad4b3a3488aa577c5156be428f6e404b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9761 | 5380 bytes |
font_01_sfnt_off0000a9a0.bine1067c7388231901200aa47c24660c9f07a0d4579c2605896f450957fe43c49c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9A0 | 13700 bytes |
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