Malicious PDF — malware analysis report

Static analysis result for SHA-256 a80b65eeee0a3a22…

MALICIOUS

PDF

61.1 KB Created: 2021-03-23 03:03:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f6e8ad5f69027d84fa6d2fed8ad447d3 SHA-1: c37384be5e097781c23df857325d0288702685c2 SHA-256: a80b65eeee0a3a220e38ab4fe865f6df79db0643f0c6bb46b9492bd9a6a55a78
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, characteristic of a link farm or SEO spam, designed to direct users to potentially malicious websites. The document body, though heavily obfuscated, suggests a lure related to PDF to Word conversion, a common tactic for phishing or malware delivery. The ML classifier also flagged this PDF as malicious, reinforcing the suspicious nature of the embedded links and overall document structure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9571

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 https://druttle.ru/award?keyword=pasar+de+pdf+a+word+ilovepdf
    • https://cdn.sqhk.co/xuzalolotagi/cigljem/volenibodubap.pdf
    • https://cdn.sqhk.co/binuwaxe/k2jgh4K/zederilel.pdf
    • http://kiritisivasol.mywebcommunity.org/16031168501.pdf
    • https://cdn.sqhk.co/nozelenid/g51ewLa/squarehome_key_launcher_windows_style.pdf
    • https://cdn.sqhk.co/gatutojuse/PjjbyXI/venedabo.pdf
    • http://xunopapazugatar.medianewsonline.com/tufuveduwaninet.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://vedumojaje.epizy.com/lexemobenojofov.pdf
    • https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_65e677656b8749ef8d324b924a4b2c36.pdf?index=true
    • https://s3.amazonaws.com/wenobagupexekap/63769330421.pdf
    • http://sazitoza.epizy.com/nexudixumemijonuw.pdf
    • https://s3.amazonaws.com/posufij/how_to_make_custom_actionbar_in_android.pdf
    • https://s3.amazonaws.com/babuxufarizuxur/bollywood_movies_top_10_websites.pdf
    • http://roduzafudi.rf.gd/25913299024.pdf
    • https://s3.amazonaws.com/votubukaxogilix/56784181167.pdf
    • https://a4758657-6aaa-4003-b0f6-1957e800abfd.filesusr.com/ugd/70c1f8_6f2819bd92dd4399ba3d38c40abbf449.pdf?index=true
    • http://xuwanozofugis.epizy.com/sobuw.pdf
    • https://s3.amazonaws.com/tufitijinexu/16884550016.pdf
    • https://e3055f73-6236-423b-b810-4bc1a15f300f.filesusr.com/ugd/fa12d1_aa72d5f6823e4b80b920e0c6937b6834.pdf?index=true
    • http://tefotesibeto.epizy.com/rurudobi.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d699.bin
5d8e986425877760fb942ae751f0bee8baffcba06d71c2b034410f714af8b35b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD699 5188 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.