MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the same URL and a physics data sheet title, suggesting a lure to trick users into clicking the malicious link. No scripts were extracted from this sample.
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=a+level+physics+data+sheet+ocr In PDF document text
- http://xuziboko.silvertonnaz.org/uploads/1/3/1/4/131437044/bizubexewef-jevama-nukevex-rijixegeju.pdfIn PDF document text
- http://files.vicarioustyle.com/uploads/1/3/1/6/131607544/9474343.pdfIn PDF document text
- http://files.andrewlock.us/uploads/1/3/2/3/132303035/daxafiwememutekudoku.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0438/0144/4514/files/belajar_alif_ba_ta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5344/0414/files/53018115640.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4669/8146/files/30756079674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/42672647178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1175/1588/files/bawuzipiragab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rasamonuje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8283/3308/files/digigutasef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2969/9482/files/sample_annotated_bibliography_apa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6649/8965/files/56293282136.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1393/9110/files/74084938118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/xiladiwugirofabobuvesa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/timoresojitepa.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005bb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BB3 | 4992 bytes |
SHA-256: 75e011763a174e4547f99cc5cd4b017d9bb3bc9cf5268a91f5b18b0a2b1ec8ae |
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font_01_sfnt_off00006ccd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CCD | 16564 bytes |
SHA-256: 6a83027898950ee5ecf9f322f895289404e756257b3fcdc29ffaec89a68aa66c |
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font_02_sfnt_off0000a12a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA12A | 16244 bytes |
SHA-256: d7709e750e85eacdbcc7e3559fbcbde8133123c52f0db8bc4c2249091d56af72 |
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font_03_sfnt_off0000b696.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB696 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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