Malicious PDF — malware analysis report

Static analysis result for SHA-256 aec0964ca7059fbd…

MALICIOUS

PDF

41.4 KB Created: 2020-08-07 04:58:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 86839514065b9dd96bacc44d2b5aa4d5 SHA-1: ff14d0be772a8484181cdf217314b0a28f13621f SHA-256: aec0964ca7059fbde26ead118df3c174ea23afa687240391b09c3a518ccd2fb2
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Cisco 2960 switch password recovery pdf', suggesting a lure to trick users into clicking the malicious link. The presence of a link farm further supports the malicious intent of driving traffic to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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=cisco+2960+switch+password+recovery+pdf In PDF document text
    • http://kolota.zarabethduell.com/uploads/1/3/1/3/131383544/xoremezijorede.pdfIn PDF document text
    • http://files.primroseandpeony.com/uploads/1/3/0/7/130775429/3063421.pdfIn PDF document text
    • http://zidef.coloresalonstudio.com/uploads/1/3/2/3/132302780/xerax-mosudo-xedarozawemiz.pdfIn PDF document text
    • http://files.thehillchristianfellowship.com/uploads/1/3/1/4/131409017/nazavip.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/1/0432/4117/7252/files/kiximaninomas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5265/5002/files/64219808307.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0073/3596/files/rufitasu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4334/0956/files/gazekenowafikarominawoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65925238695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6891/5863/files/55733627848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4017/8333/files/populewasikipi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5040/1943/files/dejasafijofarebomoxeneto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/52733892229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7054/6335/files/wexuga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/64061453416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2589/9421/files/xuwenoxadenesot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2801/3471/files/6880369610.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E25 5956 bytes
SHA-256: 6176f24abbac0bb093e0408622dc146df9e2670643706f4065fbf4ce3702add1
font_01_sfnt_off00007279.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7279 11240 bytes
SHA-256: 68d13ba8a9ecc431c6d809e355337b533a438ca4c8beac1cf699d276663fcc9e

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