Malicious PDF — malware analysis report

Static analysis result for SHA-256 88577e119f4190ce…

MALICIOUS

PDF

59.5 KB Created: 2020-05-22 14:08:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44b1dcc1efc0fc10dd4ef19c5fbb562e SHA-1: a2a517f96c221770692ec192be0da6ea57eb0a42 SHA-256: 88577e119f4190cea2c393e964ade34f478fbcc35b719d763546c967e577b446
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of external links to other PDF files hosted on various domains. This technique is often used for SEO poisoning to drive traffic to malicious sites or to distribute further malware. The document body itself contains metadata and a title that appears to be a lure for search engines. No scripts were extracted, but the extensive link farm strongly suggests a malicious intent to redirect users.

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://blackdampbrewing.com/uploads/1/3/1/6/131637876/131637876.html#libro+fundamentos+de+investigacion+p
    • http://wpleli.com/uploads/1/3/1/4/131437980/388e232088d532.pdf
    • http://cprratemate.com/uploads/1/3/1/3/131384599/3691085.pdf
    • http://barkinthepark.info/uploads/1/3/1/8/131857252/zeraturegexejiwuzeja.pdf
    • http://webdisk.freshskintattoos.com/uploads/1/3/0/5/130545636/rexafu_ketewijo_setobetox_voxix.pdf
    • http://ibcglobal-japan.com/uploads/1/3/1/4/131454500/jikudozige_pexudanok_pimipoxu_lajenoj.pdf
    • http://edspeakers.com/uploads/1/3/0/7/130739377/renit.pdf
    • http://barquinsleaders.com/uploads/1/3/0/3/130323116/bojodevusudopi_pudadabadodo.pdf
    • http://worksbyfaith.net/uploads/1/3/0/7/130739553/3954462.pdf
    • http://andtheylivedhappilyeverafter.com/uploads/1/3/1/4/131406708/kaxufowifup_tapaxarewitajuk_tawoxazeb.pdf
    • http://ourgreenlittlevillage.com/uploads/1/3/0/6/130621393/damuz.pdf
    • http://enwranch.com/uploads/1/3/0/8/130814676/kefejunoji-ledolinamuwiw-nilij.pdf
    • http://neurogs.com/uploads/1/3/0/6/130604388/musumuberoregogatate.pdf
    • http://martinestowers.com/uploads/1/3/0/6/130620557/mobejukelodalos-rokokavivo-kiwulibivimepim.pdf
    • http://dobiehills.com/uploads/1/3/1/3/131379268/87a3d2470b587.pdf
    • http://mygirlsapparel.com/uploads/1/3/1/6/131637701/7921674.pdf
    • http://abidingsaviortx.org/uploads/1/3/0/3/130323647/vedimukogaf-maxasez-jaripux.pdf
    • http://ravenstede.com/uploads/1/3/0/5/130589297/dapowaw_faxevuzuxid_vevopugebev.pdf
    • http://acupforthecause.com/uploads/1/3/1/6/131606123/cde91cd.pdf
    • http://susanaborosic.com/uploads/1/3/1/4/131437341/dowodafolamamix_murarifijixa_wekofi_foporiwiwazi.pdf
    • http://chefpapinyc.com/uploads/1/3/1/4/131408159/kisojudo-famibowolavivi-novotomedazeluk.pdf
    • http://healthychioceforlife.net/uploads/1/3/0/6/130604220/duwuzagerazunupisew.pdf
    • http://stjeromehomeschoollibrary.org/uploads/1/3/0/6/130621397/zinelidubego.pdf
    • http://ndsportschannel.net/uploads/1/3/0/6/130621349/getususopi.pdf
    • http://sabahhomestaykualapenyu.com/uploads/1/3/0/6/130639317/5532961.pdf
    • http://ndsportschannel.net/uploads/1/3/0
    • 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b758.bin
633d84764f93361d5ec328739de5676f251a91b76100b70fb20fe672aea9902a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB758 13760 bytes

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