Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dd7f4a2a2a95a9a…

MALICIOUS

PDF

52.2 KB Created: 2020-03-30 03:06:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6) First seen: 2020-08-25
MD5: 0fc777685d054b37bd34891cc497b396 SHA-1: 1bf0d93e67b38b5020d444a25f49d8aa0c211ceb SHA-256: 0dd7f4a2a2a95a9a1cf6c7a41b3936a738cacd312a3002376a9646281540007e
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains a URL that aligns with the other extracted links. This suggests the primary purpose is to redirect users to a network of websites, likely for SEO spam or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • 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 http://htwr.org/uploads/1/3/1/3/131398224/131398224.html#parrillas+para+asar+carne+en+la+estufa PDF link annotation
    • http://hbrcinvermont.net/uploads/1/3/0/7/130776208/5047b600226572.pdfIn PDF document text
    • http://gardenharvestparty.com/uploads/1/3/0/4/130476736/9891662.pdfIn PDF document text
    • http://casaraumdesign.de/uploads/1/3/0/8/130874317/morabewif.pdfIn PDF document text
    • http://cudahyoptometry.com/uploads/1/3/0/5/130588346/3594276.pdfIn PDF document text
    • http://windycitychild.com/uploads/1/3/0/4/130476065/zajuweluti_tilosuzukerex_zisotanu_xogapaw.pdfIn PDF document text
    • http://northriverhairandnails.com/uploads/1/3/0/9/130968925/dixom_dalujig_zinejizuxeboviz_ximatuzofijav.pdfIn PDF document text
    • http://fpsmateriaiseletricos.com/uploads/1/3/0/6/130639444/ab12f224.pdfIn PDF document text
    • http://prolexproperty.com/uploads/1/3/0/2/130289540/6961537.pdfIn PDF document text
    • http://12holmes.com/uploads/1/3/0/8/130813967/0dbcc.pdfIn PDF document text
    • http://technikwissen24.de/uploads/1/3/0/6/130639760/tatazogotamazaxiva.pdfIn PDF document text
    • http://anthonyong.com/uploads/1/3/1/3/131398129/tidijigogazij.pdfIn PDF document text
    • http://partypeeples.com/uploads/1/3/0/4/130483474/toruwadosi_foresa_sipogubap.pdfIn PDF document text
    • http://wanderthisrock.com/uploads/1/3/0/6/130621098/4188413.pdfIn PDF document text
    • http://dorightthingbecause.com/uploads/1/3/0/4/130488914/345480.pdfIn PDF document text
    • http://emmamgmt.com/uploads/1/3/1/3/131383892/regavi-maxewudusom-gupegugiredugo-vodofewuw.pdfIn PDF document text
    • http://fatunicorncreations.com/uploads/1/3/0/2/130272940/netopatumovaxam-xojuk-muniruguxo.pdfIn PDF document text
    • http://martineaumultiservices.ca/uploads/1/3/0/5/130551051/bcff6ab4c.pdfIn PDF document text
    • http://fjgrant.com/uploads/1/3/0/7/130740429/kixutelo.pdfIn PDF document text
    • http://edu.pafiried.com/uploads/1/3/0/4/130476432/pibukelovegib_vijemedomebu_rasali.pdfIn PDF document text
    • http://anaheimautobodydetailing.com/uploads/1/3/0/6/130604030/4756788.pdfIn PDF document text
    • http://shine2bright.com/uploads/1/3/0/7/130775744/gabemem-buwatavo-zuxirapavesa.pdfIn PDF document text
    • http://arohabeautyhouse.com/uploads/1/3/0/6/130639145/1fd025ebe56b.pdfIn PDF document text
    • http://templewomengored.com/uploads/1/3/0/4/130483794/xoxevupuboketawaxog.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
    • http://www.adobe.com/).NotoIn PDF document text
    • http://www.google.com/get/noto/http://www.adobe.com/type/ThisIn PDF document text
    • http://scripts.sil.org/OFLNotoIn PDF document text

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000840a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x840A 11124 bytes
SHA-256: 3809406666ba53ddcfa7918d9f3d3175cac4a65dd2c17787fb39213d6ebc735c
font_01_sfnt_off0000a963.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA963 2600 bytes
SHA-256: ccdb513f9f9b997ab503fae1484a3e920b4b4fc659fa9bd94a418ce32750de73
font_02_sfnt_off0000b267.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB267 5016 bytes
SHA-256: 5aac81b95fd0e061b04ea40760d210eeb1cfbee85b40204bc8f114addbb9dd7b

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