MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector URL pointing to malicious infrastructure, disguised as a free dictionary download. The ML classifier strongly indicates maliciousness. The embedded URLs are likely part of a SEO poisoning or phishing campaign to drive traffic to malicious 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/pify?keyword=w%25C3%25B6rterbuch+deutsch+arabisch+kostenlos++pdf In PDF document text
- http://files.surprisescorpionsaz.com/uploads/1/3/2/7/132740930/466699.pdfIn PDF document text
- http://files.dspespta.com/uploads/1/3/0/8/130874115/jururer.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/1/0427/6974/4028/files/69762455362.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2581582401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0513/2445/files/sesalaxegobufupasuxipuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8187/3048/files/american_english_file_starter_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3274/7927/files/kufowiga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4116/9303/files/60237362953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2790/7239/files/53195704617.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4651/0497/files/bread_bakery_business_plan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1076/8546/files/turezadejezerabit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0667/3575/files/ghersi_cemento_armato_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rokagarunawawutasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9979/8166/files/amplitud_de_movimiento_articular.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9885/7891/files/honda_gcv160_spark_plug.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
🗂 Part of campaign:
pkpressurekleeninc.com
6 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6421 | 6320 bytes |
SHA-256: 80f55d39da0dd56295a155b5f21d871dbbac85f3a4f1f78f8c451d1c93a80c37 |
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font_01_sfnt_off000079e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79E2 | 5600 bytes |
SHA-256: acd7332feb2c9f827bfecdbe4cce973c3e71828357348794e7e6fe94bdf02ecc |
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font_02_sfnt_off00008cb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CB6 | 11504 bytes |
SHA-256: cb4cd1a28de054b7cdb195072ba14dd86626d61c2bd36bf63ee3502294c711eb |
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font_03_sfnt_off0000b26a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB26A | 16760 bytes |
SHA-256: 584b304305be6dd33cf5ff756bb9bb923dca467a12e1162c4c4015662de3a9c6 |
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