Malicious PDF — malware analysis report

Static analysis result for SHA-256 5283d683d98ac694…

MALICIOUS

PDF

40.9 KB Created: 2020-08-06 13:31:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da0405d40f6cca3a4da6e071f40f225d SHA-1: 25c5a66121f425e33a30c6f640baf56362c57007 SHA-256: 5283d683d98ac694de9067fbe85779ac68009ae370df07999e2e23e21889c0a0
202 Risk Score

Malware Insights

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

The PDF file contains a link farm and a redirector link pointing to a URL that includes 'solid waste management act philippines pdf'. This suggests a phishing or social engineering attack aiming to trick users into visiting a malicious site. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm used for SEO manipulation or distributing malicious content. No scripts were extracted from this sample.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.ru/pify?keyword=solid+waste+management+act+philippines+pdf In PDF document text
    • http://files.bethany-kalamazoo.org/uploads/1/3/2/3/132302998/72a4f0c6857.pdfIn PDF document text
    • http://files.handwritingmyway.com/uploads/1/3/2/6/132695629/8be579ca.pdfIn PDF document text
    • http://files.trailbrake.us/uploads/1/3/0/7/130739996/7d2c46d116.pdfIn PDF document text
    • http://defugavu.shirlandhighampc.org/uploads/1/3/1/4/131437308/8914369b6.pdfIn PDF document text
    • http://files.melisakaye.com/uploads/1/3/0/8/130873771/e3e0dcc0f1.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/1/0427/9717/0847/files/libubirewasav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1784/6427/files/97384792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1912/4382/files/nurejugatuzokebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90685258811.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2080/4518/files/98537828213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8276/0870/files/corsair_graphite_760t.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0261/0335/files/12119818252.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7819/6129/files/millennial_generation_research.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0903/2863/files/89169129264.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8664/1304/files/pizza_antilopen_gang.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 7

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_off00006175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6175 5668 bytes
SHA-256: 942ff0a8c1d81e109226da161b2eb5d3894066946ba355bfb7446deb35062819
font_01_sfnt_off000074b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74B3 9888 bytes
SHA-256: 4859f1ae72974b7c332958838860eabbc83b1d7da2881fcb44ff2d0ba6e29bd6

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