Malicious PDF — malware analysis report

Static analysis result for SHA-256 34576ea408481337…

MALICIOUS

PDF

74.2 KB Authoring application: OpenOffice.org
MD5: d3396217054a7805edbc9d3687139726 SHA-1: 07e8f269ea5570f0ac72539fca7f69092642a4ad SHA-256: 34576ea408481337f7fdedf5a4d5d7240f2dcc7a3976c1d06e3644c8a3c3d19f
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, identified as a link farm, and is flagged as a phishing lure related to advance-fee scams. The primary function appears to be directing users to a network of potentially malicious websites, indicated by the numerous unknown-reputation URLs. While no scripts were explicitly extracted, the PDF structure and link farm heuristic strongly suggest an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://mrsteamparts.com/uploads/1/3/0/6/130604552/380449.pdf
    • http://loudounvarealty.com/uploads/1/3/0/6/130605228/199453.pdf
    • http://landscapeequipmentrentals.com/uploads/1/3/0/3/130379474/jozitomejigato_ripawaxafo.pdf
    • http://mindfulnessiskolan.weebly.com/uploads/1/3/0/2/130291724/gekulubikewaw.pdf
    • http://moonlilee.com/uploads/1/3/0/3/130379082/zibiwejetenixub.pdf
    • https://gojozesobenud.weebly.com/uploads/1/3/0/5/130551325/5526193.pdf
    • http://melodyxlove.org/uploads/1/3/0/4/130490410/zulaxapelorir.pdf
    • https://delibeduto.weebly.com/uploads/1/3/0/3/130313378/3f41c5e1.pdf
    • https://fanadelonilavo.weebly.com/uploads/1/3/0/3/130313641/cb2d5.pdf
    • http://analogi.us/uploads/1/3/0/5/130539660/4123629.pdf
    • http://madzladz.com/uploads/1/3/0/3/130323518/5968176.pdf
    • http://susanseitz.com/uploads/1/3/0/6/130622007/vumarirofumuverubero.pdf
    • http://sfchampions.com/uploads/1/3/0/6/130620217/lizigipejalu.pdf
    • http://mycityadd.com/uploads/1/3/0/6/130603936/jitenuvipozip_vofibazeji.pdf
    • http://jilolil.newneonaslimm.com/uploads/2020/01/28/3b5ad5fa.pdf
    • http://pegipava.iamhasan.com/uploads/2020/01/28/golodovifivam_bedumunigopogu_vopefuduzadijat.pdf
    • http://bodolandnews.com/uploads/1/3/0/2/130273623/6624dc2c.pdf
    • http://activityedge.com/uploads/2020/01/27/62c6d1566cf45ad.pdf
    • https://rapiviwobefedes.weebly.com/uploads/1/3/0/4/130435544/mixokugeb-fewanixe.pdf
    • http://24h-loodgieter.be/uploads/1/3/0/6/130604476/25792c8827.pdf
    • http://stephenknighttattoo.com/uploads/1/3/0/2/130272648/2502588.pdf
    • http://leighgardinerphysiotherapy.com/uploads/1/3/0/2/130272988/9418484.pdf
    • http://thehnossaproject.com/uploads/1/3/0/5/130551586/130551586.html#annualized+income+installment+worksheet
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001707.bin
b0687a0001c04dada9d72a4e2c2324deb4762a7d791612297f6b883d4f631088
pdf-font-stream PDF embedded font (sfnt) at offset 0x1707 8684 bytes
font_01_sfnt_off0000dd42.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63
pdf-font-stream PDF embedded font (sfnt) at offset 0xDD42 16036 bytes