MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many of which are SEO-optimized to appear as legitimate downloads. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is likely used to obscure the final malicious destination. The document body, though heavily obfuscated, contains the URL that triggered the redirector heuristic, suggesting a lure for free content to facilitate malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=pl+sql+tutorial+pdf+free+download In PDF document text
- http://files.clearfieldcreekwatershed.org/uploads/1/3/1/3/131380627/c639c4ff8cacf7f.pdfIn PDF document text
- http://files.mitalentzcompany.com/uploads/1/3/2/6/132695698/sidekipuvanetuwazora.pdfIn PDF document text
- http://files.deannalorenphotography.com/uploads/1/3/0/8/130814298/vijesomep.pdfIn PDF document text
- http://files.professionalbusinessplans.com.au/uploads/1/3/0/9/130969306/vomudow-kaduj.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0427/9028/9574/files/globalizacion_neoliberalismo_y_educacion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1966/3522/files/bifineneruzomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2647/2347/files/tisubipebam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0252/7897/files/83910710654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2200/7965/files/chemistry_notes_for_class_12_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7027/5237/files/69850503956.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/newusugugenaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1547/8176/files/4924863896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/lexatamefiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/fevigodenifotivipuvere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8617/5651/files/usb2._0_crw_driver.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8832/1438/files/90387417216.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
🗂 Part of campaign:
clearfieldcreekwatershed.org
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000141c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141C1 | 1764 bytes |
SHA-256: 5f42d4fc1d7eff738e211d70ff70356ee1a85a659df745b9374cbdb05863133a |
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font_01_sfnt_off00014a5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A5E | 5252 bytes |
SHA-256: 815b2a4ab8487a0c2bc3e8a1abe0345a43a8313a61e70a0701588429f8d78357 |
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font_02_sfnt_off00015c5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15C5D | 15808 bytes |
SHA-256: 45eca96f668324cf348afbad3937cccff80318d1b8f3c9de17e1826022c1a793 |
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