Malicious PDF — malware analysis report

Static analysis result for SHA-256 084edb9f4fcbd695…

MALICIOUS

PDF

62.1 KB Created: 2020-08-13 23:51:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 375afee14cbba62bccf9d975234074aa SHA-1: ded251f7934d2913e4db8e3a86cf480fe17580a8 SHA-256: 084edb9f4fcbd695c902460b80b59e8a449d9fa8d7101c98ee6b5f102cf7ef6a
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many of which point to redirector infrastructure known for malicious activity, specifically a link farm designed for SEO manipulation. The ML classifier also strongly indicated maliciousness. The embedded links are designed to lure users to potentially malicious sites, likely for phishing or malware distribution.

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=hookah+bar+dj+appu+song In PDF document text
    • http://files.craicandcultur.com/uploads/1/3/1/6/131637150/dawada.pdfIn PDF document text
    • http://dabivevut.juliabuntaine.com/uploads/1/3/2/3/132302942/7783342.pdfIn PDF document text
    • http://files.shiningjdairygoats.com/uploads/1/3/2/7/132740951/02fb06af91.pdfIn PDF document text
    • http://files.albertatreatingchemicals.ca/uploads/1/3/1/4/131407552/538ad58e501c8c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5327/7603/files/sim_sity_3000_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7084/7131/files/zalimexinilini.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5131/7408/files/embroidery_designs_images_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6108/3301/files/solvent_polarity_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0499/1400/files/bukimogifotanoxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1566/5826/files/bujemuvagalepise.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4528/1183/files/banivujasedoruxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4462/5822/files/14863514259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4760/7720/files/string_to_char_array_c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5226/9717/files/jaxewajitiwuwes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6200/9755/files/tangerine_book_online.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000776b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x776B 5432 bytes
SHA-256: bf6ddc67ceed661bacef0174ff5a4581c0ffde1c3ae5418c1d3ca3bf427f60ce
font_01_sfnt_off000089d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89D3 8600 bytes
SHA-256: a4e27665dd57fb6df0ec7bb105339afcf1d288992dc73d77361bdc1e28bd3dec
font_02_sfnt_off0000a50b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA50B 15784 bytes
SHA-256: 8ef4c9dbbd80d8ab240d47de33ef5684576a761dd2fa4c932cfda55227e7c8ef
font_03_sfnt_off0000d63a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD63A 5324 bytes
SHA-256: 3ec594ff7140c122a7483d9586eb1792a702c3abc554374ddaac990b0ecb148f