MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by an ML classifier. It contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm, potentially used for SEO manipulation or to distribute further malicious content. No scripts were extracted, and the document body was unreadable, so the primary indicators are the numerous embedded URLs and the PDF_SEO_LINK_FARM heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 4
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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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External URI info PDF_URIPDF contains an external URL action
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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 http://x0407360xstreamtravel.xsideas.com/uploads/1/3/1/3/131382439/131382439.html#%25D8%25B5%25D9%2588%25D8%25B1+%25D9%2584%25D9%2584%25D8%25B2%25D9%2588%25D8%25AC%25D8%25A7%25D8%25AA+%25D9%258A%25D8%25B1%25D8%25B6%25D8%25B9%25D9%2586+%25D8%25A3%25D8%25B2%25D9%2588%25D8%25A7%25D8%25AC%25D9%2587%25D9%2586
- http://petesplacefamilyrestaurant.ca/uploads/1/3/0/4/130483614/3420003.pdf
- http://wordstreamministries.org/uploads/1/3/1/4/131406963/4f147801442ab.pdf
- http://dishiniyulecheng.br3h.com/uploads/1/3/0/8/130874211/4156932.pdf
- http://knowledgeuniversity.org/uploads/1/3/1/6/131636772/9405091.pdf
- http://cadeconstruction.net/uploads/1/3/0/2/130271185/dulofovel_narofikupib_tumewepe_vaxawo.pdf
- http://patternmylife.com/uploads/1/3/1/3/131379031/de6bcc25786872.pdf
- http://tributarysocialclub.org/uploads/1/3/0/5/130588333/fujaniwe.pdf
- http://dominusdomus.com/uploads/1/3/0/5/130551475/b6196add07f572.pdf
- http://crmenergy.net/uploads/1/3/0/7/130739982/597610.pdf
- http://madisonsteakhouse.net/uploads/1/3/1/3/131383429/pezedukisedo.pdf
- http://teensdoyoga.com/uploads/1/3/0/6/130639849/metufagitenu.pdf
- http://kalbau-baggerungen.com/uploads/1/3/1/8/131871871/dugepeguvora-ravawod-towizudoge.pdf
- http://sasquatchcouponbook.com/uploads/1/3/0/7/130776827/547628.pdf
- http://michelleberceau.com/uploads/1/3/0/6/130622032/1828226.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off00012c44.bin33ca3d33cdbb1bfdcff05bfdcce966cc857ecb43a64fb3cb372af9276966fffc |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x12C44 | 33620 bytes |
font_00_sfnt_off0001243a.binc77e75776588398c3cb4264560847978e48291383a4703aa1974b018176546c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1243A | 1596 bytes |
font_02_sfnt_off0001658a.bindad1c5e5eb4b94741a635c9c71aab593ae5b2f64e16f55a8474bacb2e78b7c32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1658A | 8640 bytes |
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