Malicious PDF — malware analysis report

Static analysis result for SHA-256 17509615227a39d8…

MALICIOUS

PDF

136.4 KB Created: 2022-07-04 05:42:10 +00:00 Authoring application: lillfalc (via PDF Master 1.0.1) First seen: 2022-07-15
MD5: 80e08d26da0c41e7e0bac90def717830 SHA-1: 983fb9a9e6b099158b2347ded45922a3441fc48a SHA-256: 17509615227a39d86463ab47ceda1e8ac93ade962ce3813ac1ae4dfc9baab18d
94 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files. Several of these links are associated with cracked software lures, indicating a deceptive intent. The primary goal appears to be directing users to download potentially malicious or unwanted software through these links.

Machine Learning

  • Nyx PDF Classifier clean score 0.0080

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.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://widesearchengine.com/flashpoint/predating/lipoma/markku/ZG93bmxvYWR8SHk3T0dabU9YeDhNVFkxTmpnNU1qTTFNbng4TWpVNE4zeDhLRTBwSUVobGNtOXJkU0JiUm1GemRDQkhSVTVk/RmlsZSBGaXNoZXIRml.tenure/
    • http://www.vinergie.net/wp-content/uploads/2022/07/EVSolar_Calculator.pdf
    • http://shippingcasesnow.com/?p=7448
    • https://workplace.vidcloud.io/social/upload/files/2022/07/F3WGTpDutHy6u1XWe7sZ_04_c866d38481f18b9112cba508dd15db6f_file.pdf
    • https://getfluencyonline.com/wp-content/uploads/2022/07/LitS.pdf
    • https://shoplidaire.fr/wp-content/uploads/2022/07/SMSSender.pdf
    • http://titfortech.com/?p=32671
    • https://ex0-sys.app/upload/files/2022/07/Gfi28VbwGlLDDYmmn8G6_04_c866d38481f18b9112cba508dd15db6f_file.pdf
    • https://arizonaalumni.com/system/files/webform/harmdel160.pdf
    • http://pensjonatewa.pl/pst-manager-pc-windows-latest-2022/
    • https://www.parkwestmed.org/system/files/webform/jbg-essay/SwitchPowerScheme.pdf
    • https://quiet-plateau-72402.herokuapp.com/OpenSC.pdf
    • https://ztauctions.com/uncategorized/free-midi-ringtones-player-crack-with-license-key-pc-windows/
    • https://heronetworktv.com/wp-content/uploads/2022/07/MDB_2_XML__Crack___License_Key_Free_For_Windows.pdf
    • https://aboulderpharm.com/wp-content/uploads/Mp3_Fix_Crack_Product_Key_For_Windows.pdf
    • https://community.thecityhubproject.com/upload/files/2022/07/osphieMkbaLmrEZerYCH_04_1c2847b2ca8a0adc5ad1277f8158d03a_file.pdf
    • https://workplace.vidcloud.io/social/upload/files/2022/07/F3WGTpDutHy6u1XWe7sZ_04_c866d38481f
    • https://ex0-sys.app/upload/files/2022/07/Gfi28VbwGlLDDYmmn8G6_04_c866d38481f18b9112cba508
    • https://heronetworktv.com/wp-
    • https://community.thecityhubproject.com/upload/files/2022/07/osphieMkbaLmrEZerYCH_04_1c2847b
    • http://meutourpa.yolasite.com/resources/FlashRip-Full-Version-Crack-.pdf
    • https://wakelet.com/wake/z4w30ycYUB32vQ0p6GTf2
    • https://wakelet.com/wake/omT_TAv2cOwcfIIKJyvQG
    • https://mentorthis.s3.amazonaws.com/upload/files/2022/07/IIllF5MwFbJX4ge7URR4_04_1c2847b2ca8a0adc5ad1277f8158d03a_file.pdf
    • https://apficessotisanigly.wixsite.com/ybtanora/post/watchdog-crack-free-download-for-pc-updated-2022
    • http://www.tcpdf.org
    • https://mentorthis.s3.amazonaws.com/upload/files/2022/07/IIllF5MwFbJX4ge7URR4_04_1c2847b2ca8
    • https://apficessotisanigly.wixsite.com/ybtanora/post/watchdog-crack-free-download-for-pc-
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/
    • http://meutourpa.yolasite.com/resources/flashrip-full-version-crack-.pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_011_off0001aa4f.bin
df221e87b81d1531cafdadb6c09a602e9f604d1baf0a17bbd350cbb83baa06f7		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1AA4F 119072 bytes

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