PDF malware analysis — malicious · f5e7cc6d92939a0d

MALICIOUS

PDF

59.7 KB Created: 2020-03-13 04:03:03 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 43e59d0919adf180a3c9e8916162b0c4 SHA-1: 82cde81daea45ff477b5e76dd3533e9526c43a2e SHA-256: f5e7cc6d92939a0ddafa4b09d195eb0bef69c2fcb35d6facf88b6ed60d57bb96

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on numerous domains, suggesting a tactic to manipulate search engine results or distribute potentially malicious content. No scripts were extracted, and the document body is heavily corrupted, limiting further analysis of the specific lure. The primary attack pattern involves redirecting users to a network of external resources.

Heuristics 3

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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://jcitaipei.org/uploads/1/3/0/7/130776076/130776076.html#humanismo+renascentista+resumo
- http://acwri.org/uploads/1/3/0/6/130639563/jamivuvuvoxel.pdf
- http://danielshines.com/uploads/1/3/0/5/130588570/pazomodis.pdf
- http://trucklineins.com/uploads/1/3/1/0/131071047/sajumemes-sonemijodi.pdf
- http://britishtitties.com/uploads/1/3/0/3/130379675/47a34ab7f.pdf
- http://schmotzmann.com/uploads/1/3/0/3/130313242/aec5627195a2.pdf
- http://www.tsigearandsupply.com/uploads/1/3/0/2/130288441/gezosiboz.pdf
- http://www.southweberpta.com/uploads/1/3/0/9/130969514/766617402d16f6.pdf
- http://armcushies.com/uploads/1/3/0/8/130873796/tapakofinero_vixiruradegejuv_kewase_lafapajitirig.pdf
- http://chantelleshaw.com/uploads/1/3/0/3/130313167/dusepumudu_tifapubokifat_vamemosawefexul.pdf
- http://isfnrconf.org/uploads/1/3/0/4/130483134/3af4023850e.pdf
- http://drdosorriso.pt/uploads/1/3/0/7/130738819/9009916.pdf
- http://swangroup.eu/uploads/1/3/0/7/130740251/wizik_nanojogofe_xarib_zasoruzoxuge.pdf
- http://lukefshort.com/uploads/1/3/0/6/130639975/woditifave-xuvafawib.pdf
- http://www.thehappycouple.org/uploads/1/3/0/7/130740551/4175067.pdf
- http://hostmaster.callnurture.com/uploads/1/3/0/6/130620249/vekegu-sejul-tenipokejerel-jotinenifulon.pdf
- http://hostmaster.campkenosee.net/uploads/1/3/0/7/130739513/790280f8649ee.pdf
- http://creativwork.net/uploads/1/3/0/3/130379711/modalujuta-nibomobi-jaxoxamepuro-teloturigipakof.pdf
- http://bestcheaptrips.net/uploads/1/3/0/6/130603916/tovujavoxon.pdf
- http://forttchitogama.com/uploads/1/3/0/7/130774973/kureworafafewadoge.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_off00009eaa.bin` `61e50be3d355ecb0a48fbd242fe66f823d290a0a266c909b72c8126eca0ff173`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9EAA	10596 bytes
`font_01_sfnt_off0000c0e6.bin` `e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC0E6	2652 bytes
`font_02_sfnt_off0000ca4d.bin` `779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCA4D	16036 bytes

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