Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a7ae54a9a87bd0f…

MALICIOUS

PDF

41.4 KB Created: 2020-03-23 10:50:10 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b3ca0c8fc922b1db158227da9ba8f5e4 SHA-1: 24e3ea2bd50d241d22aedfcc09c91139ded7c7dd SHA-256: 1a7ae54a9a87bd0fae3786fc9848135fa625bf1539d0ec6d0049b2d7a5198024
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was identified as malicious by an ML classifier. It contains a large number of external links, many pointing to other PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. The document body contains text that appears to be metadata and a lure related to 'The rebel albert camus reddit'. The primary attack pattern involves directing users to a network of potentially malicious or deceptive PDF documents.

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://upaerialcinematography.com/uploads/1/3/0/5/130551253/130551253.html#the+rebel+albert+camus+reddit
    • http://dedf9.bpmtc.com/uploads/1/3/0/5/130588207/3610932.pdf
    • http://htlinvestment.com/uploads/1/3/0/2/130271142/bb87cea.pdf
    • http://globallegaltalent.com/uploads/1/3/0/6/130620584/c857c9a5fc9.pdf
    • http://cinemalifefilms.com/uploads/1/3/0/6/130605279/bilirafapixolod_doxobazejoror_pafunivumo.pdf
    • http://karimdudum.com/uploads/1/3/0/6/130620420/labaruri-vogozo-jusuxojimaxi-tofeb.pdf
    • http://meetcutesuit.com/uploads/1/3/0/5/130589131/194a80d714b2bc4.pdf
    • http://amoagallery.com/uploads/1/3/0/7/130740200/wafomuz-bigide.pdf
    • http://webdisk.nnamedical.com/uploads/1/3/1/0/131070202/pojapawe-duwuzi-nupiper-meserifipa.pdf
    • http://necklaceswithsharon.com/uploads/1/3/0/4/130483279/6414136.pdf
    • http://thebridgewing.com/uploads/1/3/1/1/131164156/kedivubo-nomib-wovajote-fevoba.pdf
    • http://getseniorlivinghelp.com/uploads/1/3/0/4/130489123/nejosomigikinomu.pdf
    • http://moonlightplanners.com/uploads/1/3/0/5/130588712/0599f.pdf
    • http://fabulousblossom.com/uploads/1/3/0/7/130739802/pavosorasuxoviv.pdf
    • http://slmgrp.com/uploads/1/3/0/3/130379173/64c7345.pdf
    • http://naderafzalan.com/uploads/1/3/0/6/130620384/mepupis.pdf
    • http://smpaintingmaine.com/uploads/1/3/0/3/130323103/7de4f61517.pdf
    • http://northtexasrvresort.com/uploads/1/3/0/7/130775443/rusatob.pdf
    • http://www.bellsbeautifulboutique.com/uploads/1/3/0/2/130272267/deleg_jeralizewi_kiwezof.pdf
    • http://lethuyquetoi.com/uploads/1/3/0/7/130738913/jejogad-kiwegarija-kupag-datetabopa.pdf
    • http://windsweptpoodles.com/uploads/1/3/0/2/130271090/baxarumusi.pdf
    • http://selinaplaukai.com/uploads/1/3/0/9/130969850/jibepupobi_zerivoxa.pdf
    • http://rockinyourbling.com/uploads/1/3/0/8/130814126/8865f59a373388.pdf
    • http://rockinyourbling.com/uploads/1/3/0/8/130814126/88
    • http://hcztsai.sites.looka.com/uploads/1/3/0/5/130588505/tutofum-liwosujifitud.pdf
    • 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_off000078a3.bin
90da75da2bbb1fded96d60bf26ba9009b37f25a90598acb73db55e81489ffb4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78A3 8176 bytes

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