MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. The presence of a 'download button' heuristic further supports a lure-based attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=simple+past+irregular+verbs+worksheet In PDF document text
- http://jerowik.tomgayda.com/uploads/1/3/2/7/132712615/7486942.pdfIn PDF document text
- http://files.prbynautisteph.com/uploads/1/3/2/6/132681482/belososozoxus.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/1/0430/6350/9141/files/liditudixavefixadesolek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1405/2247/files/41223002027.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1935/3757/files/xoguvewifepubamekabeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/7424/5023/files/chernobyl_podcast_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0389/6217/files/bolegimezugibefelulo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6718/7108/files/58795599889.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8307/9592/files/causas_de_alopecia_areata.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0457/0261/1100/files/form_interrogatories_breach_of_contract_california.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9322/0775/files/2008146124.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6640/0673/files/23399842413.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4188/2265/files/multiplying_polynomials_expressions_worksheet_answers.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004dff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DFF | 5692 bytes |
SHA-256: 97d731725593c5837bd86847101d1729471258e269e3b2700f6ddd273068b8ce |
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font_01_sfnt_off00006145.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6145 | 9656 bytes |
SHA-256: 8a5c440d3ead6c30e00d41f6f035de7ed0b48237e53ad6ced2062c89dba2ea97 |
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font_02_sfnt_off0000827b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x827B | 16060 bytes |
SHA-256: df1d2c903cabdf2976887e260da0b25217edeb5ce2b71f315001024534e8e210 |
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