Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c20bde1207a853c…

MALICIOUS

PDF

43.8 KB Created: 2020-08-14 13:31:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3cfdef0d763e9082ad8cdfa62d329510 SHA-1: 19ce102112bb8cbfcd69eda8e888062dfa3c264a SHA-256: 9c20bde1207a853cd903115dff08e8b316fe8a08fc2ba7b2b7da2bd7071ec796
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to redirector infrastructure like 'ttraff.com'. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'cactus guide'. The heuristic firings strongly indicate malicious redirector links and a link farm, suggesting the primary purpose is to funnel users to malicious sites. No scripts were extracted, but the PDF structure itself facilitates the redirection.

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=gymnocalycium+horstii+cactus+guide In PDF document text
    • http://files.radiusannex.com/uploads/1/3/1/4/131407138/4344878.pdfIn PDF document text
    • http://files.simplypairedcatering.com/uploads/1/3/0/8/130814475/sadagep_fifure_gekot_darawaxivadej.pdfIn PDF document text
    • http://wavoxu.cachepa.org/uploads/1/3/1/3/131379578/0d469bd3307.pdfIn PDF document text
    • http://files.creeksidesupplyinc.com/uploads/1/3/0/7/130776324/towamivuvamu_wizojigatan_rasazi.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/1/0428/5906/9599/files/budabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/4576/0669/files/pasila.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7144/6939/files/amharic_typing_keyboard.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/9646/1732/files/97801636860.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2167/2356/files/pelonekilifa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9406/3770/files/50359807855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2216/3866/files/mighty_mouse_theme_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/xirokipilor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2258/1923/files/62389535479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4046/4281/files/amphotericin_b_package_insert.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9227/9460/files/41071030279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/80577663871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5317/0339/files/vaxiduriganefinijulo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7073/5014/files/97856086000.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 3

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_off0000688a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x688A 5488 bytes
SHA-256: 925321b51009894c1140f40c638b54f3bcb81bb06a1a18ffc8fb5f1fb7b4bb9a
font_01_sfnt_off00007b01.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B01 12012 bytes
SHA-256: 53c61eebfb91dc91d291a5acd39a36b2de4ac8e5663c662119cf720104ed1d09

Open this report in the interactive analyzer, or submit your own file for analysis.