Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b74da91dae1068c…

MALICIOUS

PDF

43.0 KB Created: 2020-08-17 16:15:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cbb37efe17e4df30366be1a400c9d51f SHA-1: 51b4ceed13c15003fdf571437aa289817047aa34 SHA-256: 5b74da91dae1068cf263a2b12893993ac88f675c610deb441ded9dbc8c4e3be5
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a malformed exploit stream and links to known malicious redirector infrastructure, indicating a phishing or scam attempt. The embedded content, including the URL https://ttraff.cc/pify?keyword=bol+beti+laxmi+garhwali+song, suggests a lure to external malicious sites. The presence of numerous embedded links, many pointing to Shopify domains hosting other PDFs, indicates a link farm strategy likely for SEO manipulation to drive traffic to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
    A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
  • 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=bol+beti+laxmi+garhwali+song In PDF document text
    • http://files.english.dollessence.com/uploads/1/3/0/9/130968926/vejatux_mokuxokefuv_tinegaxis.pdfIn PDF document text
    • http://files.thegatlinfamily.com/uploads/1/3/1/4/131437873/9a391ba36ba0.pdfIn PDF document text
    • http://files.designhur.com/uploads/1/3/1/0/131070912/repodirimepo.pdfIn PDF document text
    • http://files.patrickbucksot.com/uploads/1/3/0/7/130740563/0e77676e0c1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8397/2256/files/jiremoxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6430/3522/files/66322539837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2041/8198/files/80196082150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2507/1256/files/waxikasoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2782/3765/files/34794760581.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6014/9910/files/49390473683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dojedeteremedadedarovir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0836/8545/files/70570808814.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0266/6906/files/bodutigozoxipakuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6147/6504/files/vekurejerogewen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71860998709.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D30 5236 bytes
SHA-256: c62e51b8ba6434d864c662f248275a1e5d3689c5a2238cf4b3f1d6df66acd119
font_01_sfnt_off00005ee2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EE2 9864 bytes
SHA-256: 7228789fa74d01ebe31b3311443fdd960fdbab1d7acc02fea7b53d751301c3ed
font_02_sfnt_off000080bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80BC 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f
font_03_sfnt_off00008ebe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8EBE 4064 bytes
SHA-256: dc1057295082b8f32260c14908ed8db09ce98603b3532759c795b8e58339ae11