MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are part of a link farm designed to appear as search engine results. The document body, though heavily obfuscated, contains references to 'Ricoh aficio mp 3351 manual usuario' and includes many of these suspicious URLs. The ML classifier strongly indicated maliciousness, and the PDF_SEO_LINK_FARM heuristic confirms the presence of a link farm, suggesting the primary goal is to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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://msgarletts-hancock.com/uploads/1/3/0/9/130969533/130969533.html#ricoh+aficio+mp+3351+manual+usuario
- http://webmail.pullpal.com/uploads/1/3/0/6/130639647/jafisoxipozakujugek.pdf
- http://mobilecenterz.net/uploads/1/3/1/3/131378913/vewokigido.pdf
- http://ladiesofhiphopfestival.org/uploads/1/3/1/3/131383820/baferatixaka.pdf
- http://computersny.com/uploads/1/3/2/7/132712120/gukivumiwe-tizubomifeneg-lizaxubowup-tasut.pdf
- http://artsoppi.com/uploads/1/3/0/8/130813837/aff2707ae15.pdf
- http://bloomco.shop/uploads/1/3/0/4/130483200/lusezonojeru-jodov-paxexogeror-kipoxasevowux.pdf
- http://deutsh.travelmittelamerika.com/uploads/1/3/0/6/130639869/9663244.pdf
- http://thecountrycraftfair.com/uploads/1/3/1/8/131856052/ramezaweluwi_zoraw_bujona_newerapiza.pdf
- https://vamuxep.files.wordpress.com/2020/06/33733637474.pdf
- https://figanupa.files.wordpress.com/2020/06/wuvipim.pdf
- https://nutolusajom.files.wordpress.com/2020/06/zisis.pdf
- https://difadukes.files.wordpress.com/2020/06/laredusoputal.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 |
|---|---|---|---|
font_00_sfnt_off000055e9.binc23b4e7fca414baf5710e3c4e6685a20561588d97b09aede579d92d06837a69e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55E9 | 5284 bytes |
font_01_sfnt_off000067b8.bina4dd6ea6c772249438b13f6f73953dd20a93fe1e354f538cf6c8b9a97ef85f1e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67B8 | 12796 bytes |
font_02_sfnt_off00008f87.bine343998647cbc530d0d761dc446f250f3160ceeca97e4e9775203fb497d102f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F87 | 16684 bytes |
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