MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by a machine learning classifier and contains a link to a known malicious redirector. The document body, though heavily obfuscated, also contains the same redirector URL and several other URLs pointing to Shopify, likely part of a link farm to improve SEO for malicious content. The primary malicious indicator is the redirector URL, which is designed to lead users to harmful sites.
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.cc/wix?keyword=city+skylines+map+editor In 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/1/0434/7900/7398/files/84848856883.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/8348/1507/files/nedifati.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1745/3211/files/domelefupegusamojof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4233/3087/files/present_continuous_tense_worksheets_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2333/4565/files/distributor_agreement_format_in_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/7432/6438/files/pdf_to_word_arabic_font.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/partnership_act_1932_bangladesh_in_bangla.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_7fea06ac913840e3b882f4a042104acb.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_5a163b0170c94cfbb48ce232486b0802.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_53822e562a8d44d19f61581a3675b8df.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_bbc5d4d42aef426d9b0325a200230972.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_ce6250a253c848d9bf17ad1eedaefbd7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1643/8438/files/bomberman_old_game_apk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4744/4903/files/fuxeroz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8655/1971/files/30590886898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8222/7617/files/sowapalidi.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7453 | 5176 bytes |
SHA-256: f42047f250dc683c2db24d6879fe75194f0db07a16bec9bf0eb120667f575f40 |
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font_01_sfnt_off000085d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85D5 | 10036 bytes |
SHA-256: 047126be52ac1fee988647d931920b2a2d6affa702c39b6e0290fd93ce39473c |
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font_02_sfnt_off0000a846.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA846 | 16072 bytes |
SHA-256: caea212bfaaf2897f4851770f673d25c90b0e412378cb4b0d6f36fafa9739068 |
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