Malicious PDF — malware analysis report

Static analysis result for SHA-256 08d37ef48074f205…

MALICIOUS

PDF

37.6 KB Authoring application: Serif PagePlus
MD5: 12699972c5999ccce895ab19b40721e5 SHA-1: bddadde820dd487cca8dc4b16a05addc6146ef47 SHA-256: 08d37ef48074f20509b251b87c2be3c65735a6b10d51ebcc81cfbb6ee2dba044
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO spam or to distribute malicious payloads. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', suggesting a phishing or traffic generation purpose. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent related to link farming and potential redirection.

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://labviewstudent.net/uploads/1/3/0/7/130738955/mumilovoz.pdf
    • http://www.ambuildingservices.org.uk/uploads/1/3/0/6/130640114/2c88b4115049.pdf
    • http://reachlearning.net/uploads/1/3/0/6/130620309/593604.pdf
    • http://fernandoporretta.com/uploads/1/3/0/4/130488759/jikufaka.pdf
    • http://trade-city-award.org/uploads/1/3/0/6/130621210/7854084.pdf
    • http://lisemazerolle.com/uploads/1/3/0/7/130775221/8513980.pdf
    • http://cbcor.net/uploads/1/3/0/4/130490977/vokazewawisete.pdf
    • http://mykeenhr.com/uploads/1/3/0/6/130603942/rulonol.pdf
    • http://woodenboxprods.com/uploads/1/3/0/8/130873975/vikebujaw.pdf
    • http://mobileautorepairsolutions.com/uploads/1/3/0/7/130739152/522a5.pdf
    • http://salaamnewyork.com/uploads/1/3/0/8/130814631/6930331.pdf
    • http://nc956.com/uploads/1/3/0/6/130621152/nizoforara.pdf
    • http://hotwinedeals.com/uploads/1/3/0/6/130621826/bubilujifewoza.pdf
    • http://masterpeacepress.com/uploads/1/3/0/6/130639765/e858fa.pdf
    • http://heeratees.com/uploads/1/3/0/2/130289532/veretaguj.pdf
    • http://96izqg.bdgct.com/uploads/1/3/0/7/130739983/130739983.html#anticonceptivos+hormonales+inyectables+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000350d.bin
9d3e689a4be9946fb1dd809b4aeb9e948cc202a5cadf388d5a42881f26013164		 pdf-font-stream PDF embedded font (sfnt) at offset 0x350D 9700 bytes

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