MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to SEO redirectors, including one that points to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be part of a lure for free downloads, likely leading to malware. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm used for SEO manipulation to attract victims.
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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=link+video+er+app In PDF document text
- http://files.plantandsoiltreatment.com/uploads/1/3/2/8/132814977/4450891.pdfIn PDF document text
- http://sesaxig.melissasterry.net/uploads/1/3/1/4/131482952/5624286.pdfIn PDF document text
- http://ratawopo.marcelwesdorp.nl/uploads/1/3/1/4/131482952/sinujipoxamew_divupuzabike_jivewused.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/1/0430/6790/0058/files/essential_grammar_in_use_3rd_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8165/4679/files/karya_ilmiah_tentang_bahaya_merokok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9975/8497/files/mobile_bookkeeping_app_ing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5806/9655/files/xefaxatonezetuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5747/0870/files/madotut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwotowomezi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7188/0870/files/demand_definition_economics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3372/0992/files/bollywood_movie_hd_print.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2950/3901/files/96613182162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9384/3358/files/baberelumotut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0604/2013/files/kabamutibadudafof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8360/3876/files/jinusonit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/ordinal_numbers_exercises_elementary.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_off00007b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B4F | 4516 bytes |
SHA-256: 82dd2dd467e667da965f82bc62f5ca13027db9c4f5d2db79be2175d9952282d4 |
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font_01_sfnt_off00008aa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AA5 | 10316 bytes |
SHA-256: 995f465b7a1a5994934211a9b125db821052e44ab6a348b6b522a6b3da1b3f43 |
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font_02_sfnt_off0000ae06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE06 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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