Malicious PDF — malware analysis report

Static analysis result for SHA-256 92a46e4b388bdbcd…

MALICIOUS

PDF

42.3 KB Created: 2020-04-01 12:42:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: ad76599abd0f020551ce7717f3473923 SHA-1: e67f41e6c60a17ee3b2150b5e792085e5290686f SHA-256: 92a46e4b388bdbcd16284141a40a089e5dbbc852f8db080234714273ad790cf4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF contains a large number of external links, many of which are numerically or generically named PDFs hosted on various domains. The document body mentions 'Thrustmaster t-flight hotas x drivers windows 10', suggesting a lure to download drivers. This indicates a likely SEO spam or phishing campaign aiming to drive traffic to these external sites. No scripts were extracted, and the primary malicious activity appears to be the mass linking.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://theleggingdiva.com/uploads/1/3/0/6/130621324/130621324.html#thrustmaster+t-flight+hotas+x+drivers+windows+10
    • http://princessplie.net/uploads/1/3/1/0/131069838/1345719.pdf
    • http://thelawunveiled.com/uploads/1/3/0/8/130814645/4301197.pdf
    • http://eastatlantamegasite.com/uploads/1/3/0/8/130814460/2570820.pdf
    • http://lovelyhour.com/uploads/1/3/1/4/131408027/8169035.pdf
    • http://killerwailslive.com/uploads/1/3/0/8/130813953/ae26c053ec74df.pdf
    • http://fovero.us/uploads/1/3/0/6/130639607/mexelesofejir_febub_busel_vaxepeganaw.pdf
    • http://oaklandtocollege.org/uploads/1/3/0/6/130604482/03dfaec8e86e.pdf
    • http://dumbhero.com/uploads/1/3/0/2/130287279/3767721.pdf
    • http://www.theorionballroom.com/uploads/1/3/0/5/130588998/xonuxamib.pdf
    • http://blackblossombeauty.com/uploads/1/3/0/2/130289774/jurinimu-vesirekiwewufor.pdf
    • http://shopwestberkeley.com/uploads/1/3/0/2/130288883/1143946.pdf
    • http://donaldmcewan.com/uploads/1/3/0/7/130739529/sibodagadaz_kivezukof_vepemixij.pdf
    • http://yec.westside-church.com/uploads/1/3/0/5/130540420/zekapajo.pdf
    • http://alphritasims.com/uploads/1/3/0/7/130776585/3126857.pdf
    • http://colourofwellness.com/uploads/1/3/1/3/131381135/zasavepa-novojadixefu.pdf
    • http://astrosrestaurant.ca/uploads/1/3/0/5/130539428/2cf4ee83fe.pdf
    • http://il-kancell-malta.com/uploads/1/3/0/7/130739967/a1055c.pdf
    • http://coveredbridgelandscapesupply.com/uploads/1/3/0/5/130588499/gixipiwazilebin.pdf
    • http://avsolutionsdesign.com/uploads/1/3/0/6/130639461/vumurujarasiz.pdf
    • http://rgremodelingllc.com/uploads/1/3/1/3/131379301/xozajonuki.pdf
    • http://sanchiscomunicacion.net/uploads/1/3/0/7/130775878/wajowivivujo.pdf
    • http://vanilladc.ca/uploads/1/3/1/3/131398077/a077ea687e6c3.pdf
    • http://reclaimedandwhole.com/uploads/1/3/0/7/130775424/ac4436.pdf
    • http://euromakr.com/uploads/1/3/0/5/130588687/jamitomozidalela.pdf
    • http://inkofficial.com/uploads/1/3/0/2/130288532/5104633.pdf
    • http://euromakr.com/uploads/1/3/0/5/130588687/j
    • https://support.thrustmaster.com/en/
    • 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_off000078d6.bin
278952e34c490a9c8c4f1c7532c787601ecf15e8ba609e4ad706c8d52265cd6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78D6 8996 bytes

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