MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'Plantronics backbeat pro 2 manual pdf'. The heuristic firings indicate the PDF links to malicious redirector infrastructure and functions as a link farm. The presence of a callback phishing lure suggests a social engineering attempt to engage the user further.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=plantronics+backbeat+pro+2+manual+pdf In PDF document text
- http://files.coronadohighschoolorchestra.com/uploads/1/3/1/8/131856124/semomitelo-wapugowake-lezim.pdfIn PDF document text
- http://files.durhamsciencefair.ca/uploads/1/3/0/7/130739684/zatadizula.pdfIn PDF document text
- http://banosabuz.nicolenaro.org/uploads/1/3/2/8/132814930/8627702.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/1/0432/8099/0366/files/sazotasogokexejiguvov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0382/2755/files/alt_codes_star.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3981/files/55068169854.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2896/2715/files/elements_of_statistical_learning_stanford.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4233/3084/files/zoporuzikimives.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5143/4652/files/namikubobebezakuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7881/8715/files/rafuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7473/1685/files/voltage_stabilizer_price_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7980/2782/files/base64_encoded_file_php.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5317/0339/files/juxabagegonuxen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/38368756502.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8371/0108/files/stryker_endoscopy_catalog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4561/5766/files/dobajojizunijiwutako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1184/0927/files/tiwokepurupusumir.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_off00006b67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B67 | 5640 bytes |
SHA-256: 379e761ae25d5d8a2ed7289de2d5faed4c102ae2816e0a7402757822da19130e |
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font_01_sfnt_off00007e7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E7B | 15856 bytes |
SHA-256: 1be70aa966880cd3b5d5bad6487026c6f21d46918aa9d9fe32e7c63118fd05a2 |
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