MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a link to a malicious redirector, identified as 'ttraff.cc', which is designed to lure users into downloading content. The document body, though heavily obfuscated, also contains numerous links to external PDF files, suggesting a link farm or SEO poisoning tactic to attract downloads. The ML classifier strongly indicated maliciousness, supporting the presence of these malicious links.
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=the+a.+b.+c.+murders+pdf+free+download In PDF document text
- http://files.jessedochnahl.com/uploads/1/3/1/4/131406108/4936824.pdfIn PDF document text
- http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdfIn PDF document text
- http://files.metalmeltdown.com/uploads/1/3/0/7/130775755/36f932b68a.pdfIn PDF document text
- http://files.jisooleeauthor.com/uploads/1/3/2/3/132302999/af7dadb5ccc1.pdfIn PDF document text
- http://files.lacharite.net/uploads/1/3/1/3/131380107/nesapa_sufagasawo_zogujodabujag.pdfIn PDF document text
- http://files.icupearls.org/uploads/1/3/0/8/130874160/didozosumeba.pdfIn PDF document text
- http://files.carpetcleaningislavista.com/uploads/1/3/1/1/131163705/jesevu_torokudeduriwof_telavekarazefi_gomudil.pdfIn PDF document text
- http://files.fastblueprints.com/uploads/1/3/0/7/130739809/1755786.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://goxexisigela34505480.files.wordpress.com/2020/07/posesodixaxunev.pdfIn PDF document text
- https://vodezaxej935192670.files.wordpress.com/2020/06/janulifibinuliwepur.pdfIn PDF document text
- https://kegoxoret.files.wordpress.com/2020/07/bisixu.pdfIn PDF document text
- https://juganomoti.files.wordpress.com/2020/07/2933197830.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86593634255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2821/0073/files/tunonazozaje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2626/7806/files/62819008981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/74133662670.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/kafefumurafevobudax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/46391305542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/95509007145.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_off00005fd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FD9 | 5364 bytes |
SHA-256: 3622e9fdbd6b64f0e94e71373820a9de7db8e861b72adb14567a59af417a5c58 |
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font_01_sfnt_off000071f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71F6 | 10120 bytes |
SHA-256: 51cf193002c2f1dee58bde01867a046917efaa69531c33cdf1826ace1e0289c1 |
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