MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm designed to redirect users to potentially malicious content, as indicated by the critical heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=ordinal+numbers+pdf+download, which is flagged as a malicious redirector. The presence of numerous other PDF links, many hosted on cdn.shopify.com, suggests a tactic to manipulate search engine results or distribute further malicious documents.
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=ordinal+numbers+pdf+download In PDF document text
- http://files.weekendinquest.org/uploads/1/3/0/9/130969364/javokenagilovi-gurirarud-mizel.pdfIn PDF document text
- http://files.tool-hire-shops.co.uk/uploads/1/3/2/6/132681826/zisadewaju_kezesuduv.pdfIn PDF document text
- http://files.melissa-haskin.com/uploads/1/3/0/8/130814591/nonagesazuviso.pdfIn PDF document text
- http://files.wonderfulhippie.com/uploads/1/3/2/7/132740804/rujototunelup-nedugag.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/1/0429/0379/7913/files/31469321815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4578/9600/files/doreruni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8705/3471/files/18774277206.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7229/8918/files/depth_first_search_algorithm.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7556/7770/files/ridowogabipaxobus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rerotapok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6781/0726/files/zelusobumesurupeke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0659/1127/files/37137941946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1330/6530/files/19199954920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0844/2020/files/verypdf_to_word_ocr_converter_serial_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/majolojotog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2871/6440/files/56274363653.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5516/9186/files/16893313456.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_off00008c59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C59 | 5448 bytes |
SHA-256: 7d62146fb1dcb67b898d27142333ac5e6715bad1292a2e12af339c068704bdd2 |
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font_01_sfnt_off00009ec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9EC9 | 12504 bytes |
SHA-256: 614754f047878ca31919d2e31ef33836a4346d22afdebeaa70c5b03873371294 |
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