Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1d057ff2b7f206a…

MALICIOUS

PDF

35.7 KB Authoring application: Poppler-utils
MD5: fd67fc00e1a32c98817dd68fb9bedb06 SHA-1: 5fb7b754942cd580fe31388ac856c7ea878a4a24 SHA-256: d1d057ff2b7f206aeb7896efee796254752c47425bef279ca9c5b4f00ef9f762
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, with the first identified URL being http://smokersskincare.com/uploads/1/3/0/6/130639275/wolokevezete.pdf. This suggests the document's primary purpose is to act as a lure, redirecting users to potentially harmful content hosted on various domains.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://smokersskincare.com/uploads/1/3/0/6/130639275/wolokevezete.pdf
    • http://listmomla.com/uploads/1/3/0/6/130620469/3886296.pdf
    • http://www.cremerinc.com/uploads/1/3/0/6/130604263/xikowoxa-vamogap-gavipipu.pdf
    • http://shiva.americanhealthservices.org/uploads/1/3/0/3/130324236/jedofibumunopet.pdf
    • http://connelyhitnews.com/uploads/1/3/0/7/130776877/3683707.pdf
    • http://bluemonsterservice.com/uploads/1/3/0/3/130313115/xofojikopej.pdf
    • http://stephanielproductions.com/uploads/1/3/0/3/130313340/rupawota.pdf
    • http://oakleafcraftshop.com/uploads/1/3/0/8/130813526/meralibipubigomas.pdf
    • http://everybodycomestoricks.com/uploads/1/3/0/3/130323900/11f7bdc0ddf862.pdf
    • http://conscienceskinlabs.com/uploads/1/3/0/8/130873942/0b775a3.pdf
    • http://uniaobrasilosc.org/uploads/1/3/0/8/130814576/6447966.pdf
    • http://stargazingangel.com/uploads/1/3/0/6/130622047/7160239.pdf
    • http://www.amandamarquezdance.com/uploads/1/3/0/6/130620628/ee3f65.pdf
    • http://alfnevents.org/uploads/1/3/0/4/130488955/8651723.pdf
    • http://tonglewangshangyule.br3h.com/uploads/1/3/0/6/130620492/130620492.html#albert+camus+the+stranger+movie

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f87.bin
2a9eb3113433e87b90f200ddbc14b3f1737ff3e0dc4a7cd1459fbf4fac83fb70		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F87 9788 bytes

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