Malicious PDF — malware analysis report

Static analysis result for SHA-256 b58751ce5cb6e20b…

MALICIOUS

PDF

61.4 KB Created: 2020-08-28 03:58:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 60a2859e6d4a509c0632bca58251259e SHA-1: 048b08fe3570271a0f361e6441633fd5db20f0bf SHA-256: b58751ce5cb6e20bbadc9a348661cf9a6b05243a3f3868b41f8395c0755b602a
194 Risk Score

Malware Insights

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

The PDF file contains a link farm and a specific malicious redirector URL. The document body, though heavily obfuscated, contains text that appears to be a lure for downloading MP3 songs, directing the user to the malicious URL. This suggests a phishing or scam attempt to redirect users to potentially harmful content.

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.cc/pify?keyword=hardy+sandhu+all+mp3+song In PDF document text
    • http://rotiwo.giltnercustomer.com/uploads/1/3/0/8/130874575/998272.pdfIn PDF document text
    • http://files.kendraleighmakeup.com/uploads/1/3/1/8/131856433/mazisuzefedum.pdfIn PDF document text
    • http://files.christianchildrensentertainment.com/uploads/1/3/0/7/130775320/pujuwowolatibu-mebeben.pdfIn PDF document text
    • http://files.exitstrategyband.com/uploads/1/3/1/3/131384081/wudif-gisobane-sekumawu.pdfIn PDF document text
    • http://files.sleepingbeeathome.com/uploads/1/3/0/8/130814682/3567921.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/1/0431/5018/0503/files/asana_hatha_yoga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6467/1906/files/aitsl_standards_graduate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5050/8181/files/49588544106.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1493/0084/files/sonny_ericson_w580i.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8821/6217/files/gisororinikoduxujazad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0745/1029/files/cerebrospinal_meningitis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7831/1318/files/essentials_of_neuropsychiatry_and_behavioral_neurosciences.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3853/0965/files/greek_mythology_comics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9432/6942/files/vowuvolevizidanix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7930/2296/files/export_datagrid_to_in_vb.net.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_off0000a419.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA419 5600 bytes
SHA-256: 0343e786ad0ed117add03e1e3b341c1a5f739838d2af89a4af6bafe0073042f1
font_01_sfnt_off0000b6f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB6F5 15848 bytes
SHA-256: 3d52852b2c868bff146972753b636e18dafbfe3e12fec56de5e6169fe44f59f7

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