Malicious PDF — malware analysis report

Static analysis result for SHA-256 d062a4568d441b1a…

MALICIOUS

PDF

76.1 KB Created: 2021-03-27 11:53:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f217b18df3ead803c4c27c00f4c46dae SHA-1: ecbfd6a301aff9b5b0c6f88ec706d3dcd86eacac SHA-256: d062a4568d441b1a0463b9cb4266fa35bdbf300cdf818f6db09bfae79234acc7
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to disposable hosting services, and a specific URL related to 'filmywap 2016 bollywood movies hd 1080p', suggesting a lure for pirated content. The PDF structure itself is identified as a link farm, designed to redirect users to potentially harmful sites. No scripts were extracted, but the overall pattern suggests a phishing attempt to drive traffic to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://lozipotod.ru/123?utm_term=filmywap+2016+bollywood+movies++hd+1080p
    • https://cdn.sqhk.co/dubutemaruxu/iTjjYie/border_light_live_wallpaper_led_color_edge.pdf
    • https://biwawidojimu.weebly.com/uploads/1/3/4/6/134648839/816d89d7d5e0e.pdf
    • https://pesulomerusetus.weebly.com/uploads/1/3/4/1/134109359/9eac36d58e.pdf
    • https://cdn.sqhk.co/josedinis/jeidYIT/bopoxowipalikesinetu.pdf
    • https://zaroxirag.weebly.com/uploads/1/3/4/4/134457582/xipugabepava-xanokeda-golusu-dolosamedoz.pdf
    • https://tadadali.weebly.com/uploads/1/3/4/0/134095934/2e80b.pdf
    • https://mezemefi.weebly.com/uploads/1/3/1/3/131384279/3642108.pdf
    • https://cdn.sqhk.co/loxowopiv/xhgTgdH/89525026117.pdf
    • https://zitidifomeki.weebly.com/uploads/1/3/1/4/131412181/pulajofofuwu.pdf
    • https://cdn.sqhk.co/nosilaxuziz/hjjhbeg/fubuzipifusage.pdf
    • https://cdn.sqhk.co/javijaxim/hd8oigE/nezerivezus.pdf
    • https://cdn.sqhk.co/jozazixefuf/j3iggcQ/nevidogewavox.pdf
    • https://gofegupozomo.weebly.com/uploads/1/3/4/4/134479888/kufapepozi.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/3e311f96-8a6a-41bf-b0c4-1cd32240009b/vanumumekanu.pdf
    • https://uploads.strikinglycdn.com/files/08532cb3-07b5-4a97-a3db-bd3a159c630a/bomarajisopoxe.pdf
    • https://uploads.strikinglycdn.com/files/d9e8d61b-6693-4ebf-9c97-2cf67091bf8f/fidoxovesejike.pdf
    • https://uploads.strikinglycdn.com/files/886dd3e6-69c6-4af3-83c9-f46dca45be07/82696840719.pdf
    • https://s3.amazonaws.com/libosokune/47307996228.pdf
    • https://s3.amazonaws.com/zamemigojat/best_reader_android_reflow.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/
    • https://savannah.gnu.org/projects/freefont/
    • http://www.gnu.org/licenses/
    • http://www.gnu.org/copyleft/gpl.html
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d78d.bin
edf517a561ed5132c6c1d5718ac6ff9d870a00e6f43a91762fd168a2279cca75		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD78D 6440 bytes
font_01_sfnt_off0000e783.bin
31bcf2c3e346b1dbe0fd712937106639922d2e3e76d4fe5d6de0389d614cdb09		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE783 6128 bytes
font_02_sfnt_off0000fc4f.bin
8a64c0ba7cf76823f5185f1f0a11ae8dc2473017126eb544c9c6bb4ba39eead9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFC4F 10716 bytes

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