MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous embedded URLs, with the primary one being http://74-123-77-13.mgwnet.com/uploads/1/3/0/7/130739536/130739536.html#hollander+interchange+manual, presented as a manual to entice users to click. The heuristic PDF_SEO_LINK_FARM indicates a large number of external links, suggesting a link farm or a mechanism to distribute malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://74-123-77-13.mgwnet.com/uploads/1/3/0/7/130739536/130739536.html#hollander+interchange+manual
- http://changingstep.com/uploads/1/3/0/2/130289392/4bbac39262bfcb0.pdf
- http://gmtreats.com/uploads/1/3/0/9/130969322/771294.pdf
- http://powerfulthinking.org/uploads/1/3/0/7/130739251/7419646.pdf
- http://kellybunn.com/uploads/1/3/0/5/130589171/fogipo-gilizigupujax-dobinuwinu-kezegosijokemu.pdf
- http://auburncitizens4schools.com/uploads/1/3/0/6/130603930/8077765.pdf
- http://casualkids.net/uploads/1/3/1/4/131453214/c967c9c467.pdf
- http://infinitydatasol.com/uploads/1/3/1/4/131454219/saluguzojaferaje.pdf
- http://teambethfoundation.org/uploads/1/3/0/3/130323249/xabijojelozew_xarufobodavas_bikil_xarijumom.pdf
- http://74-123-77-13.mgwnet.com/uploads/1/3/0/7/130739536/terms.html
- http://74-123-77-13.mgwnet.com/uploads/1/3/0/7/130739536/dmca.html
- http://74-123-77-13.mgwnet.com/uploads/1/3/0/7/130739536/policy.html
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://lanternfolkca.previews.rebel.com/uploads/1/3/0/4/130476200/2c0835.pdf
- https://xoxijukixife.files.wordpress.com/2020/05/47509652524.pdf
- https://wujujozimuse.files.wordpress.com/2020/05/tijej.pdf
- https://zibebuti.files.wordpress.com/2020/05/maxiledo.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 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000064fa.bin9ec4f764f4830bdf386599ab668daec071b865921015302ff1b00e2e8886bb66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64FA | 10584 bytes |
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