PDF malware analysis — malicious · 25aed634ca3c7dd4

MALICIOUS

PDF

43.1 KB Created: 2020-03-09 02:41:49 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)

MD5: 400403babb456450b51ea41c844e2103 SHA-1: cd64e1c412a56067f02c2d109338a633b7b8ea4f SHA-256: 25aed634ca3c7dd432a54b0081a16641fb337754bcdc908f9a0fdc51eecac125

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which point to similarly structured URLs on different domains. The document body text, though heavily obfuscated, contains references to inserting text boxes in PDFs and includes several of these external URLs. This suggests a link farm or SEO poisoning tactic designed to drive traffic to potentially malicious sites.

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://xianjinduboyouxi.br3h.com/uploads/1/3/0/5/130551130/130551130.html#insert+text+box+in+pdf+file
- http://anzics2019.nz/uploads/1/3/0/2/130270971/jasalafebokabegelup.pdf
- http://carsforfood.com/uploads/1/3/0/7/130776478/218a0.pdf
- http://webmail.livestyliv.com/uploads/1/3/0/6/130603916/1678712.pdf
- http://projectdreamport.info/uploads/1/3/0/8/130813366/3948659.pdf
- http://boystownchicagoseries.com/uploads/1/3/0/7/130776162/3341802.pdf
- http://www.rx-fitnessmalaysia.com/uploads/1/3/0/5/130588858/minixanizi.pdf
- http://roslecontractor.com/uploads/1/3/0/2/130287278/gazonizupixur.pdf
- http://www.tirologistics.com/uploads/1/3/0/4/130483200/widupubilawe_sosanumi_rivuwikes_xojim.pdf
- http://mail.integraled.org/uploads/1/3/0/5/130539004/lavik_suvodeb.pdf
- http://natureiraqfoundation.org/uploads/1/3/0/7/130740617/717875db8.pdf
- http://wenyingzhizunyule.br3h.com/uploads/1/3/0/6/130621020/eeb39.pdf
- http://grooveshoprecords.com/uploads/1/3/0/3/130379307/3903039.pdf
- http://lcofitness.com/uploads/1/3/0/7/130739349/tagivowas.pdf
- http://stringsandsprings.com/uploads/1/3/0/4/130483178/4569558.pdf
- http://www.agilbertphotography.com/uploads/1/3/0/5/130588518/guwijemuvopafilenu.pdf
- http://mynicheblog.com/uploads/1/3/0/4/130476078/ponot.pdf
- http://ventonconsulting.com/uploads/1/3/0/8/130813738/xupipab.pdf
- http://out-the-back-door.com/uploads/1/3/0/4/130436313/b505c167e2.pdf
- http://bgooddesignllc.com/uploads/1/3/0/6/130604488/fudalud.pdf
- http://www.dresswithoutstress.help/uploads/1/3/0/6/130620470/4cfa45c520.pdf
- http://webmail.katetrepagnier.com/uploads/1/3/0/8/130813033/rogusamuxubisibam.pdf
- http://nursevisit.org/uploads/1/3/0/3/130313306/xovobivedufunititodo.pdf
- http://edithbennett.com/uploads/1/3/0/7/130739204/6931876.pdf
- http://www.beingmodish.shop/uploads/1/3/0/3/130379307/b375beeebeeed.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000762f.bin` `ee7fdc4f58aacb5064292375cb2c653e627ee030ba2f66dedaf87120d1d1ecf3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x762F	7496 bytes
`font_01_sfnt_off00009387.bin` `915baeb1e29b1296448dc25187851e9706b77add1d29a836586dd6d4826066cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9387	2600 bytes

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