MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector infrastructure associated with SEO link farms and phishing lures. The primary redirector URL is https://ttraff.ru/pify?keyword=daikin+air+cooled+chiller+catalogue+pdf, which is designed to masquerade as a legitimate document download. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious redirection and potential malware delivery.
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=daikin+air+cooled+chiller+catalogue+pdf In PDF document text
- http://files.ourlordstemple.org/uploads/1/3/1/8/131856435/2018388.pdfIn PDF document text
- http://files.beabravo.shop/uploads/1/3/1/1/131163561/9035315.pdfIn PDF document text
- http://files.suncoastarchitect.com/uploads/1/3/1/4/131407802/dowuzawuweb-vowugodaxag-muwovugozanoke-damupuredaba.pdfIn PDF document text
- http://files.sandislandtennis.com/uploads/1/3/1/3/131398036/7488448.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakuxosisubesabemobaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6482/5758/files/fedatadoworana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/rurudoboxoneguvi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7323/9195/files/internet_addiction_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5805/9674/files/arketipo_magazine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/xiwusubifiresupamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1097/4111/files/4284907294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7102/0960/files/xubufebamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4578/1665/files/consumer_behavior_leon_schiffman.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2806/8005/files/6172126524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3694/1215/files/86710787740.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000480c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x480C | 5304 bytes |
SHA-256: 9d727951509239db7f9f329750591d3fefc68ef2f88516faf3213dd7aa5cf785 |
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font_01_sfnt_off00005a10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A10 | 6688 bytes |
SHA-256: b15b3fb603b76f56013c998b2e2545f84f0fe4a5dc09e8dd1b120f27cd60361c |
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font_02_sfnt_off00006bee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BEE | 9396 bytes |
SHA-256: 244ce793f47792fc9546d9698c053d13623f24f01740a008b37f5e78bc6978e2 |
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