MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.ru/pify?keyword=74+is+the+new+24', is flagged as malicious. This suggests the document is part of a link farm or SEO poisoning campaign designed to trick users into visiting malicious sites under the guise of free downloads.
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=74+is+the+new+24 In PDF document text
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdfIn PDF document text
- http://files.policyandinnovationedinburgh.org/uploads/1/3/0/8/130813317/4740490.pdfIn PDF document text
- http://xabob.antoniacundy.com/uploads/1/3/2/6/132695219/zemimonofeba.pdfIn PDF document text
- http://xaziza.osolnikmachinery.com/uploads/1/3/2/6/132682035/bulilopowigu.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/1/0430/8218/6905/files/ashtanga_yoga_sequence.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2791/files/benefits_of_effective_reading.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0552/5661/files/softball_tryout_evaluation_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4974/5558/files/4193098656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4219/4083/files/jilixawuzazeregedefuvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0667/3574/files/superman_returns_game.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6779/3820/files/attestation_de_vente_de_terrain_entre_particulier.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5573/5193/files/dns_server_clash_of_clans.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5251/2918/files/cm12_oneplus_one.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5679/9647/files/download_legend_drake.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1777/8838/files/cdc_vaccine_safety_sheet.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D87 | 3540 bytes |
SHA-256: 981d7bbdff6a773725b28d57065f23ba2853fce8821611cbb042105fec39aac9 |
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font_01_sfnt_off00007a1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A1F | 4412 bytes |
SHA-256: 3eef0c73b44be55379573f6c4819f59d088248a1dd4e730e275240d2b8ef0a1e |
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font_02_sfnt_off00008920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8920 | 11348 bytes |
SHA-256: 4f3574ffb6c0b561eec2f7bc209ec82766cb36029acd40dbcb1b801452f7d9fa |
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font_03_sfnt_off0000adec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADEC | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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