MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain. The document body, though heavily obfuscated, contains text related to 'greatest common factor worksheet 4th grade pdf' and the malicious URL. This suggests a lure to disguise malicious redirection, likely for phishing or malware delivery. No scripts were extracted from this sample.
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/pify?keyword=greatest+common+factor+worksheet+4th+grade+pdf In PDF document text
- http://files.peachtreetally.net/uploads/1/3/1/0/131070579/voxoxawegurikujig.pdfIn PDF document text
- http://kalina.cartwheelsandpinwheels.com/uploads/1/3/0/7/130775795/fd9d1.pdfIn PDF document text
- http://files.garykearneyart.com/uploads/1/3/1/4/131483009/muzexuwebiv.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/1/0429/8119/5927/files/2368265420.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2556/1757/files/captive_prince_book_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5117/9416/files/36359715849.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5013/7760/files/hoobastank_the_reason.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3423/7345/files/lujuvabulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5604/4951/files/etiologi_abortus_imminens.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84712881745.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6378/6137/files/64051763827.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9798/0056/files/54781652693.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6863/7862/files/linear_algebra_examples_and_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4103/7208/files/blueprint_book_nicholas_christakis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6744/0294/files/maytag_performa_dishwasher.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0766/2504/files/atp_adp_cycle_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3239/5426/files/zexijozuxote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3789/2509/files/43484006452.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_off0000734d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x734D | 5812 bytes |
SHA-256: 181393f0a329341328bc5ba8c22d88836d14ea685eb55c0785890d6be93bdde4 |
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font_01_sfnt_off0000870f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x870F | 10044 bytes |
SHA-256: 5d22a07f8449eab37a3c621a55e0df5543480b8f53dd2e18461581a12b738c47 |
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font_02_sfnt_off0000a9a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9A1 | 16116 bytes |
SHA-256: 64e13322576ebe4b9a20b8efdba1cb2c8bc01163a7c4e1ba1f667a2d7cf8e6df |
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