MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary URL pointing to a known malicious redirector. The document body, though obfuscated, contains the text 'Linkedin api documentation pdf' and the malicious URL, suggesting a lure to trick users into visiting the redirector. The presence of numerous shopify.com links indicates an attempt to blend in with legitimate content while hosting malicious links.
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.com/pify?keyword=linkedin+api+documentation+pdf In PDF document text
- http://files.photographybyemeliadeweese.com/uploads/1/3/1/4/131453990/3155606.pdfIn PDF document text
- http://files.ckmoreno.com/uploads/1/3/1/8/131871692/b4a95e92.pdfIn PDF document text
- http://files.editmythesis.com.au/uploads/1/3/1/1/131164275/lewejakolifaxuvukaw.pdfIn PDF document text
- http://mubanina.spcym.org/uploads/1/3/2/6/132681504/90c6ec136d36ef.pdfIn PDF document text
- http://gexodugam.8000robohawks.com/uploads/1/3/1/1/131163635/6338046ab963546.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/1/0435/9477/6739/files/algebra_1_glencoe_mcgraw_hill.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7938/5766/files/kevefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8722/4214/files/88363624814.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/momavuluregulole.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6552/3862/files/it-_2663_instructions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1618/3205/files/kisetesomaba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7668/8798/files/37321431831.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/14135917334.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7649/9096/files/is_it_illegal_to_use_frostwire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3630/2750/files/hot_dog_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4890/2557/files/bubble_sort_in_mips.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_off00005ac0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AC0 | 5000 bytes |
SHA-256: 13e6f4edeb460b403a57b7dd2ca6d89f09444b08fa6165258c9478a0fc9452fe |
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font_01_sfnt_off00006bb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BB7 | 15228 bytes |
SHA-256: 951ac706cccebac5f5bafe590f50312a1756eaa861c9a257b62526fa89c2ae1d |
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font_02_sfnt_off00009ae6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE6 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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