MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=caverject+instructions+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0435/5430/8257/files/90958842763.pdf'. The document body, though heavily obfuscated, contains references to 'Caverject instructions pdf' and the authoring application 'wkhtmltopdf', suggesting a lure to disguise malicious content. The primary intent appears to be redirecting users to malicious infrastructure.
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=caverject+instructions+pdf In PDF document text
- http://files.newhanoverdisastercoalition.org/uploads/1/3/1/3/131397973/patubifuzipar-komagezagovesoj.pdfIn PDF document text
- http://files.openarmspcnm.com/uploads/1/3/1/4/131407944/0df70.pdfIn PDF document text
- http://dududo.texaspoliticaljobs.com/uploads/1/3/0/7/130775735/bowanubatedude.pdfIn PDF document text
- http://files.makeandflourish.co.uk/uploads/1/3/0/8/130874672/e7c04c.pdfIn PDF document text
- http://files.willowwildedges.com/uploads/1/3/1/8/131856443/xukopiwome-tojazelapiz-kasivezobisu-sunezurawuse.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/1/0435/5430/8257/files/90958842763.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6126/3001/files/caste_category_list_in_rajasthan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pepefawabibuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3318/files/arpa_dolomiti_meteo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2585/8714/files/reverse_polish_notation_c.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5829/0070/files/22231365287.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4853/4167/files/topolekurigeporusen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1280/8091/files/gozelizelu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/4032578158.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pajakeveposemilakojataza.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008b51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B51 | 5160 bytes |
SHA-256: 35f0891270c87770bf612bf033946663b9977df5f6db9d4250dd1d5aec119b72 |
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font_01_sfnt_off00009cfe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CFE | 10692 bytes |
SHA-256: 9c74fb5dcdffe1e7e5be991e94387aa4a8a3e6cd40811c08f2a508da67e1f6c5 |
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font_02_sfnt_off0000c18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC18B | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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