MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external PDF files, presented as a "free download" lure for a popular guide. It redirects users through a malicious redirector URL, ttraff.cc, which is part of a link farm designed to distribute malware. The ML classifier strongly indicated maliciousness, and the presence of a redirector link confirms a malicious intent to lead users to harmful content.
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=adventures+in+middle+earth+loremasters+guide+pdf In PDF document text
- http://files.anchoredinrowayton.com/uploads/1/3/2/7/132740949/gidefejanosolo_damevimoruzojok.pdfIn PDF document text
- http://files.hswestmi.org/uploads/1/3/1/4/131436981/xabuna.pdfIn PDF document text
- http://files.techniquejobs.com/uploads/1/3/2/7/132710624/3138880.pdfIn PDF document text
- http://files.dentalexplorations.org/uploads/1/3/0/7/130740563/6b17a84f2d96.pdfIn PDF document text
- http://files.margarethigginson.com/uploads/1/3/0/8/130813582/c5e8149b11ff.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/1/0435/2131/0875/files/fuxewokezufod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8742/9785/files/80836477291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5840/5275/files/39552303317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8658/5749/files/tosowumaweru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6123/8168/files/75013333085.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8982/1847/files/wavodoginew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7646/0447/files/jejiwiberif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5649/5769/files/46259104687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4065/2960/files/dorerevuvotusekorepabe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5661/0971/files/46262465324.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/70016223609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/91028585592.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5651/9585/files/52667541143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/24375498268.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_off00006c6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C6B | 5504 bytes |
SHA-256: 9ad780fcb61c9fbb9ae950649072d312cca2d53bd9e5bf69103645b80888a0cd |
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font_01_sfnt_off00007f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F05 | 9640 bytes |
SHA-256: 3cb20e3bf35f1e6e4280e46b664cdd8eb80db55246395e0148d079bfb6958bb4 |
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