MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.ru) known for malicious activity. The document body, though heavily obfuscated, contains references to the redirector URL and other URLs that appear to be part of a link farm designed to lure users. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests an attempt to drive traffic to malicious infrastructure.
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=bulfinch+s+mythology+pdf In PDF document text
- http://files.pottershouse.cz/uploads/1/3/0/8/130814121/mevupumepo.pdfIn PDF document text
- http://fixuvonot.christinaandcanines.com/uploads/1/3/0/7/130740522/236843016628c.pdfIn PDF document text
- http://files.ericvanbaars.com/uploads/1/3/1/3/131379134/pasixafisesisabo.pdfIn PDF document text
- http://wotosovu.fitnessbyloren.com/uploads/1/3/1/8/131871674/48ce18c.pdfIn PDF document text
- http://files.allexreddink.com/uploads/1/3/0/8/130813855/86dda35d63.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/1/0431/8475/0743/files/zamuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5901/2006/files/manual_tire_balancer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nojigepinipefonumupitos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2067/1386/files/83454155222.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/belladonna_alkaloids_davis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7548/6367/files/89500767049.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9148/3032/files/18109496519.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4669/8146/files/16981198944.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/bazozunarazetabexo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4279/1839/files/wow_classic_turtle_meat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9167/3763/files/kixuxatetumir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3123/1637/files/romawefitokofavawufi.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:
chicagoland4x5.org
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000739d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x739D | 5416 bytes |
SHA-256: d1d5b19ab57f5fff6a1704495a1f6ab0d15932e211c7448d65851fabc442969c |
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font_01_sfnt_off000085ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85FF | 10368 bytes |
SHA-256: a646c4a502e1b189e7ede1dc3b537a7de208c578c43bc5c0bda032e43c48d983 |
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