MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.com/pify?keyword=air+source+heat+pump+systems+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to the same topic and the malicious URL, suggesting a social engineering lure to drive traffic 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.com/pify?keyword=air+source+heat+pump+systems+pdf In PDF document text
- http://dibesefet.levinoguess.com/uploads/1/3/1/4/131483372/xiligiminilawekev.pdfIn PDF document text
- http://files.molivery.ee/uploads/1/3/0/9/130969446/wujusikoze_sasotuno_zenafuvufol_fivaduv.pdfIn PDF document text
- http://files.headandneckultrasound.com/uploads/1/3/1/4/131453031/betijuge.pdfIn PDF document text
- http://files.holytrinityri.com/uploads/1/3/1/4/131453684/toroka.pdfIn PDF document text
- http://files.arfawrites.com/uploads/1/3/2/7/132710711/310ecb211445.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/1/0434/1969/7310/files/9394929456.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gimuwuwizarisatin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6274/7545/files/33457193102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/14104547884.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/vuwenegoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4406/0839/files/application_of_genetic_engineering_in_health.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4353/4486/files/defects_in_metal_forming_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3727/7855/files/ravojawotibovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1863/3894/files/12098213052.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/benubojebexoreloruva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9467/8435/files/kerala_onam_bumper_2020_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5959/3894/files/comment_fusionner_2_fichiers_sur_mac.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/free_jazz_trumpet_sheet_music.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_off00006205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6205 | 3488 bytes |
SHA-256: 3e20b63a74f6f4e0f15ec6d33a0ceac63cadf806fd5ba8f5eac040c6796ada19 |
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font_01_sfnt_off00006e5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E5C | 5232 bytes |
SHA-256: 055c17ef31b6f5a64ac236afa831e514fc661766cbf45b2f18f344222a4bef69 |
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font_02_sfnt_off00008035.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8035 | 10276 bytes |
SHA-256: 620181032b395c3c4a981cd30a9623e9802262a2130c6d710c9fb34660d53bab |
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font_03_sfnt_off0000a357.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA357 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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