MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=opera+mini+browser+free++cnet'. This URL is presented within the document body, disguised as a download for 'Opera mini browser free cnet', and is likely intended to lead the user to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, further suggests a link farm or SEO poisoning tactic to distribute the malicious content.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=opera+mini+browser+free++cnet In PDF document text
- http://files.kreationsbykarenjewels.com/uploads/1/3/2/7/132740978/benufijiputegevudut.pdfIn PDF document text
- http://files.racepartsliquidators.com/uploads/1/3/1/6/131636914/takipisot.pdfIn PDF document text
- http://files.katrinaleelifecoaching.com/uploads/1/3/1/6/131607029/vixezaz_mubujaziranide_ziwogomexozub_semidibajek.pdfIn PDF document text
- http://faram.kloveday.com/uploads/1/3/2/6/132681579/720018.pdfIn PDF document text
- http://files.angelafree.org/uploads/1/3/0/7/130740625/5029680.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/1/0430/6396/7906/files/xobin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8871/files/ladiku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7794/3967/files/bewor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9503/9905/files/american_cinematographer_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5198/0712/files/17054714682.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/22550408828.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5638/8510/files/27055123736.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9322/0758/files/44447300891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0722/0635/files/28789818398.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9432/6949/files/wututeparuzipobokitemum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1395/6007/files/sdlc_waterfall_methodology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1002/2814/files/69747602230.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_off00006639.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6639 | 5176 bytes |
SHA-256: 8d8b67ff1422cc20b45b343614086c383784f10a04b8b4e3cff56e86084968ac |
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font_01_sfnt_off000077b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77B3 | 9620 bytes |
SHA-256: 1729bc1c9b97714fb0c38fa2909be8d58ba926031830cc04f1fdfd619c03d3ab |
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font_02_sfnt_off00009886.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9886 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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