MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'occupational hazards in hospital pdf' and a URL that appears to be part of a link farm designed to attract search engine traffic. The primary malicious link identified is https://ttraff.com/pify?keyword=occupational+hazards+in+hospital+pdf, which is likely used to redirect the user to a malicious site.
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.com/pify?keyword=occupational+hazards+in+hospital+pdf In PDF document text
- http://files.cocoglowspraytans.ca/uploads/1/3/1/4/131453402/7489709.pdfIn PDF document text
- http://files.seratrevor.com/uploads/1/3/0/7/130740617/vivota_giliwaji_juposuvebo.pdfIn PDF document text
- http://files.fourlittleoneshilo.com/uploads/1/3/0/7/130776674/b06fe4d23a.pdfIn PDF document text
- http://files.safehavenucc.org/uploads/1/3/1/3/131380601/bamoripubawi_sibono_davoxile.pdfIn PDF document text
- http://files.pct4career.com/uploads/1/3/1/4/131410158/buzowewuwudesu.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/1/0431/3631/9639/files/82416779725.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2779/8943/files/99309181678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3956/1630/files/levijigeror.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9064/8996/files/69677771802.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6707/1894/files/dalunajamekepivub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7331/4715/files/dumelawomox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0012/6885/files/the_pathophysiology_and_treatment_of_sepsis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/episiotomy_suturing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4927/1975/files/xepepesarolex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0102/6459/files/79616673184.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8145/6023/files/wolamumuzasugawuxafux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6977/4750/files/60677129258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1901/7124/files/22865245249.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:
fourlittleoneshilo.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE43 | 5320 bytes |
SHA-256: 4b62acc431bd16e1f1abaadea1754b222ff953fab38fc9a08914598d9aa39031 |
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font_01_sfnt_off0000c056.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC056 | 15220 bytes |
SHA-256: 15d69dde696248376cae1748c4267dfb21e99bc1c116e168ec1ebe034108efea |
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