MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains embedded links, one of which points to a known malicious redirector (ttraff.cc). The document body, though heavily obfuscated, contains text suggesting it is a PDF about 'protein synthesis in eukaryotes', likely a lure. The presence of multiple external PDF links, many hosted on Shopify, indicates a link farm strategy. The primary malicious IOC is the redirector URL, which is likely used to funnel victims 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.cc/pify?keyword=protein+synthesis+in+eukaryotes+pdf In PDF document text
- http://files.fredswildflowers.com/uploads/1/3/1/4/131438899/fozija.pdfIn PDF document text
- http://files.artworkmq.com/uploads/1/3/1/8/131856919/5901473.pdfIn PDF document text
- http://files.greenhousewivesbathco.com/uploads/1/3/2/7/132712129/tapakotid_rotizig_ladul_kuvefatimozik.pdfIn PDF document text
- http://tuvarav.kimseiterdogagility.com/uploads/1/3/0/7/130775162/xokebake_fukekoru.pdfIn PDF document text
- http://files.nathanieleyamamoto.com/uploads/1/3/1/4/131483307/bogidomezugefi.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/1/0430/0128/2711/files/juwaseladapibiseka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5706/9721/files/mibubuvenatutavanimotar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2385/7824/files/9117457234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4449/4750/files/sewawuzijeredufodolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/11721311760.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9173/9295/files/77310675086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/10588857949.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/resume_file_download_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/xakerawi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4136/5922/files/moweruxokiliwem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7976/8995/files/dunomarukojofi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9639/1323/files/30315435899.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007e7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E7C | 5264 bytes |
SHA-256: 47e4298087c0684f9f922e48ab8c03dc279d91eb3a645110323300023a27dce9 |
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font_01_sfnt_off00009067.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9067 | 10208 bytes |
SHA-256: 1eaa1457b392dc92dfb6c077c507551d111567c907dfd2ec7c933e6686d6056f |
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