Malicious PDF — malware analysis report

Static analysis result for SHA-256 356d1f2c3615ffa0…

MALICIOUS

PDF

47.2 KB Created: 2020-07-31 16:41:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2d4fb13c50a65ddf46840ee3935368b7 SHA-1: 182fbedaeaf516da0d2dfe370866f6b5ed8a194d SHA-256: 356d1f2c3615ffa0736d13a90e7c1b96f20f2d4b7b9160828421e763ddc55763
222 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains multiple embedded links, with one prominently featuring a lure for 'Fences 3 crack'. This link redirects to a known malicious redirector. The document also impersonates a cloud document service, further attempting to trick the user. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content broadly.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://ttraff.com/pify?keyword=fences+3+crack In PDF document text
    • http://files.inspiredartexhibition.com/uploads/1/3/0/9/130969723/govijutoxivelesam.pdfIn PDF document text
    • http://files.cbdwholehealthshop.com/uploads/1/3/0/7/130739916/lulipumazometososula.pdfIn PDF document text
    • http://files.papajoeshumblekitchen.com/uploads/1/3/2/6/132681690/5901123.pdfIn PDF document text
    • http://files.gaindetalks.com/uploads/1/3/0/8/130874629/dojoja-kefuzegomoli-wadab.pdfIn PDF document text
    • http://files.selfascensionstudios.com/uploads/1/3/1/3/131383323/da13715e981.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3033/2060/files/fezepumewunalatebunapag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/jinilekefowabeno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7234/7550/files/56803407424.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4460/9943/files/26720637971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8999/3621/files/vutepokaxediwox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1421/8143/files/9457381893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6649/8965/files/8010767826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8516/6760/files/zakoxitorufibezixej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4987/6630/files/86968650978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8368/5274/files/tolovalatadedapuwadasuxaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0491/1006/files/malawizuvo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8526/7097/files/3689350753.pdfIn 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
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007bee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BEE 4944 bytes
SHA-256: c346b374d18de82c1f961bf3c531aec4502a6bfff085f4a0e5869dd84e21a95d
font_01_sfnt_off00008cd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CD8 10264 bytes
SHA-256: 1d54b3c74fdddd17e8873ab88770d533463c6cbb4a26568f45df3803669aff37